U.S. patent application number 16/714314 was filed with the patent office on 2021-05-20 for mount assembly for expansion card and circuit assembly.
This patent application is currently assigned to INVENTEC (PUDONG) TECHNOLOGY CORPORATION. The applicant listed for this patent is INVENTEC CORPORATION, INVENTEC (PUDONG) TECHNOLOGY CORPORATION. Invention is credited to Shih-Wei CHEN.
Application Number | 20210153373 16/714314 |
Document ID | / |
Family ID | 1000004558928 |
Filed Date | 2021-05-20 |
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United States Patent
Application |
20210153373 |
Kind Code |
A1 |
CHEN; Shih-Wei |
May 20, 2021 |
MOUNT ASSEMBLY FOR EXPANSION CARD AND CIRCUIT ASSEMBLY
Abstract
A mount assembly configured to be cooperative with expansion
card and socket of circuit board. Mount assembly includes first
slide rail, second slide rail, first latch and first slidable
stopper. First latch includes first cantilever and first
protrusion. First cantilever includes first fixed end part and
first free end part that are located opposite to each other. First
fixed end part is fixed to sidewall part of first slide rail. First
protrusion protrudes from first free end part and is located in
groove of first slide rail. First protrusion is configured to be
engaged with engagement hole of expansion card. First slidable
stopper includes stopper body and handle portion. Stopper body is
slidably disposed on sidewall part of first slide rail and movable
between blocking position and releasing position. Handle portion
protrudes from side of stopper body.
Inventors: |
CHEN; Shih-Wei; (Taipei
City, TW) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
INVENTEC (PUDONG) TECHNOLOGY CORPORATION
INVENTEC CORPORATION |
Shanghai City
Taipei City |
|
CN
CN |
|
|
Assignee: |
INVENTEC (PUDONG) TECHNOLOGY
CORPORATION
Shanghai City
CN
INVENTEC CORPORATION
Taipei City
CN
|
Family ID: |
1000004558928 |
Appl. No.: |
16/714314 |
Filed: |
December 13, 2019 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
H05K 7/1489 20130101;
H05K 5/0286 20130101; H05K 7/183 20130101; H05K 7/02 20130101 |
International
Class: |
H05K 7/14 20060101
H05K007/14; H05K 5/02 20060101 H05K005/02; H05K 7/18 20060101
H05K007/18; H05K 7/02 20060101 H05K007/02 |
Foreign Application Data
Date |
Code |
Application Number |
Nov 18, 2019 |
CN |
201911126663.7 |
Claims
1. A mount assembly, configured to be cooperative with an expansion
card and a socket of a circuit board, the mount assembly
comprising: a first slide rail and a second slide rail, configured
to be fixed to the circuit board, wherein the first slide rail and
the second slide rail each comprise a base part, a sidewall part,
and a groove, the base part and the side wall part together form
the groove therebetween, the expansion card is slidable in the
grooves of the first slide rail and the second slide rail and is
configured to be connected to the socket of the circuit board; a
first latch, comprising a first cantilever and a first protrusion,
wherein the first cantilever comprises a first fixed end part and a
first free end part that are located opposite to each other, the
first fixed end part is fixed to the sidewall part of the first
slide rail, the first protrusion protrudes from the first free end
part and is located in the groove of the first slide rail, the
first protrusion is configured to be engaged with an engagement
hole of the expansion card; and a first slidable stopper,
comprising a stopper body and a handle portion, wherein the stopper
body is slidably disposed on the sidewall part of the first slide
rail and movable between a blocking position and a releasing
position, and the handle portion protrudes from a side of the
stopper body; wherein, when the first slidable stopper is in the
blocking position and the expansion card is inserted into the
socket of the circuit board, the first slidable stopper blocks a
side of the first free end part located away from the base part of
the first slide rail and the first protrusion so as to prevent the
first protrusion from disengaging from the engagement hole of the
expansion card; when the first slidable stopper is in the releasing
position and the expansion card is inserted into the socket of the
circuit board, the first slidable stopper is located away from the
first free end part to allow the first protrusion to disengage from
the engagement hole of the expansion card.
2. The mount assembly according to claim 1, wherein an extension
direction of the groove of the first slide rail is substantially
parallel to an extension direction of the first cantilever.
3. The mount assembly according to claim 1, wherein the first
slidable stopper further comprises a positioning protrusion, the
first slide rail further comprises a first positioning hole and a
second positioning hole, the first positioning hole and the second
positioning hole are located on the sidewall part of the first
slide rail, the positioning protrusion protrudes from the stopper
body, when the first slidable stopper is located at the releasing
position, the positioning protrusion is engaged into the first
positioning hole, when the first slidable stopper is located in the
blocking position, the positioning protrusion is located in the
second positioning hole.
4. The mount assembly according to claim 1, wherein the first
protrusion comprises a first guide surface and a second guide
surface located on two opposite sides of the first protrusion, and
the first guide surface and the second guide surface are configured
to be engaged by the expansion card so as to force the first
protrusion to be detached from the engagement hole of the expansion
card.
5. The mount assembly according to claim 1, wherein the first latch
and the first slide rail are integrally formed into a single
piece.
6. The mount assembly according to claim 1, wherein the sidewall
part of the first slide rail comprises a first wall portion, a
second wall portion and a third wall portion, the first wall
portion is connected to the third wall portion via the second wall
portion, the second wall portion is located between the first wall
portion and the third wall portion, the first fixed end part is
fixed to the third wall portion, and the first slidable stopper is
slidably disposed on the second wall portion.
7. The mount assembly according to claim 1, further comprising a
second latch and a second slidable stopper, wherein the second
latch comprising a second cantilever and a second protrusion, the
second cantilever comprises a second fixed end part and a second
free end part that are located opposite to each other, the second
fixed end part is fixed to the sidewall part of the second slide
rail, the second protrusion protrudes from the second free end part
and is located in the groove of the second slide rail, the second
protrusion is configured to be engaged with another engagement hole
of the expansion card, the second slidable stopper is slidably
disposed on the sidewall part of the second slide rail and movable
between a blocking position and a releasing position, when the
second slidable stopper is in the blocking position and the
expansion card is inserted into the socket of the circuit board,
the second slidable stopper blocks a side of the second free end
part located away from the base part of the second slide rail and
the second protrusion so as to prevent the second protrusion from
being detached from the another engagement hole of the expansion
card, when the second slidable stopper is in the releasing position
and the expansion card is inserted into the socket of the circuit
board, the second slidable stopper is located away from the second
free end part to allow the second protrusion to disengage from the
another engagement hole of the expansion card.
8. A circuit assembly, comprising: a circuit board, comprising a
plate and a socket disposed on the plate; an expansion card,
inserted into the socket of the circuit board; a first slide rail
and a second slide rail, fixed to the circuit board, wherein the
first slide rail and the second slide rail each comprise a base
part, a sidewall part, and a groove, the base part and the side
wall part together form the groove therebetween, the expansion card
is slidable in the grooves of the first slide rail and the second
slide rail and is configured to be connected to the socket of the
circuit board; a latch, comprising a cantilever and a protrusion,
wherein the cantilever comprises a fixed end part and a free end
part that are located opposite to each other, the fixed end part is
fixed to the sidewall part of the first slide rail, the protrusion
protrudes from the free end part and is located in the groove of
the first slide rail, the protrusion is configured to be engaged
with an engagement hole of the expansion card; and a slidable
stopper, comprising a stopper body and a handle portion, wherein
the stopper body is slidably disposed on the sidewall part of the
first slide rail and movable between a blocking position and a
releasing position, the handle portion protrudes from a side of the
stopper body; wherein, when the slidable stopper is in the blocking
position and the expansion card is inserted in to the socket of the
circuit board, the slidable stopper blocks on a side of the free
end part located away from the base part of the first slide rail
and the protrusion so as to prevent the protrusion from disengaging
from the engagement hole of the expansion card, when the slidable
stopper is in the releasing position and the expansion card is
inserted into the socket of the circuit board, the slidable stopper
is located away from the free end part to allow the protrusion able
to disengage from the engagement hole of the expansion card.
9. The circuit assembly according to claim 8, wherein the plate of
the circuit board comprises a top surface, a bottom surface, an
opening, a first wall surface and a second wall surface, the top
surface faces away from the bottom surface, the opening penetrates
through the top surface and the bottom surface, the first wall
surface, the second wall surface and the socket together form the
opening, the first wall surface and the second wall surface are
connected to the top surface and the bottom surface and face toward
each other, the first slide rail and the second slide rail are
respectively fixed to the first wall surface and the second wall
surface, the socket is located at one side of the opening, and the
expansion card is accommodated in the opening.
10. The circuit assembly according to claim 8, wherein an extension
direction of the groove of the first slide rail is substantially
parallel to an extension direction of the cantilever.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This non-provisional application claims priority under 35
U.S.C. .sctn. 119(a) on Patent Application No(s). 201911126663.7
filed in China, on Nov. 18, 2019, the entire contents of which are
hereby incorporated by reference.
BACKGROUND OF THE INVENTION
Technical Field of the Invention
[0002] The invention relates to a mount assembly for expansion card
and a circuit assembly, more particularly to a mount assembly and a
circuit assembly that have slide rails.
Description of the Related Art
[0003] Open Compute Project (OCP) is an organization that shares
designs of data center products and best practices among companies.
Servers and expansion cards related to the open compute project
have been widely used in various application. In general, expansion
cards related to open compute project is inserted into a socket on
a circuit board with the help of slide rails.
SUMMARY OF THE INVENTION
[0004] One embodiment of this invention provides a mount assembly
configured to be cooperative with an expansion card and a socket of
a circuit board. The mount assembly includes a first slide rail, a
second slide rail, a first latch and a first slidable stopper. The
first slide rail and the second slide rail are configured to be
fixed to the circuit board. The first slide rail and the second
slide rail each include a base part, a sidewall part, and a groove.
The base part and the side wall part together form the groove
therebetween. The expansion card is slidable in the grooves of the
first slide rail and the second slide rail and is configured to be
connected to the socket of the circuit board. The first latch
includes a first cantilever and a first protrusion. The first
cantilever includes a first fixed end part and a first free end
part that are located opposite to each other. The first fixed end
part is fixed to the sidewall part of the first slide rail. The
first protrusion protrudes from the first free end part and is
located in the groove of the first slide rail. The first protrusion
is configured to be engaged with an engagement hole of the
expansion card. The first slidable stopper includes a stopper body
and a handle portion. The stopper body is slidably disposed on the
sidewall part of the first slide rail and movable between a
blocking position and a releasing position. The handle portion
protrudes from a side of the stopper body. When the first slidable
stopper is in the blocking position and the expansion card is
inserted into the socket of the circuit board, the first slidable
stopper blocks a side of the first free end part located away from
the base part of the first slide rail and the first protrusion so
as to prevent the first protrusion from disengaging from the
engagement hole of the expansion card. When the first slidable
stopper is in the releasing position and the expansion card is
inserted into the socket of the circuit board, the first slidable
stopper is located away from the first free end part to allow the
first protrusion to disengage from the engagement hole of the
expansion card.
[0005] Another embodiment of this invention provides a circuit
assembly including a circuit board, an expansion card, a first
slide rail, a second slide rail, a latch and a slidable stopper.
The circuit board includes a plate and a socket disposed on the
plate. The expansion card is inserted into the socket of the
circuit board. The first slide rail and the second slide rail are
fixed to the circuit board. The first slide rail and the second
slide rail each include a base part, a sidewall part, and a groove.
The base part and the side wall part together form the groove
therebetween. The expansion card is slidable in the grooves of the
first slide rail and the second slide rail and is configured to be
connected to the socket of the circuit board. The latch includes a
cantilever and a protrusion. The cantilever includes a fixed end
part and a free end part that are located opposite to each other.
The fixed end part is fixed to the sidewall part of the first slide
rail. The protrusion protrudes from the free end part and is
located in the groove of the first slide rail. The protrusion is
configured to be engaged with an engagement hole of the expansion
card. The slidable stopper includes a stopper body and a handle
portion. The stopper body is slidably disposed on the sidewall part
of the first slide rail and movable between a blocking position and
a releasing position. The handle portion protrudes from a side of
the stopper body. When the slidable stopper is in the blocking
position and the expansion card is inserted in to the socket of the
circuit board, the slidable stopper blocks on a side of the free
end part located away from the base part of the first slide rail
and the protrusion so as to prevent the protrusion from disengaging
from the engagement hole of the expansion card. When the slidable
stopper is in the releasing position and the expansion card is
inserted into the socket of the circuit board, the slidable stopper
is located away from the free end part to allow the protrusion able
to disengage from the engagement hole of the expansion card.
BRIEF DESCRIPTION OF THE DRAWINGS
[0006] The present invention will become more fully understood from
the detailed description given hereinbelow and the accompanying
drawings which are given by way of illustration only and thus are
not limitative of the present invention and wherein:
[0007] FIG. 1 is an exploded view of a circuit assembly according
to a first embodiment of the invention;
[0008] FIG. 2 is a perspective view of a first slide rail, a latch,
and a slidable stopper in FIG. 1;
[0009] FIG. 3 is an exploded view of the first slide rail, the
latch, and the slidable stopper in FIG. 2;
[0010] FIG. 4 is an exploded view of the first slide rail, the
latch, and the slidable stopper in FIG. 2 taken from another
viewing angle;
[0011] FIG. 5 depicts that an expansion card engages a first guide
surface of a protrusion and the slidable stopper is in a releasing
position;
[0012] FIG. 6 depicts that the expansion card is inserted into a
socket of a circuit board;
[0013] FIG. 7 depicts that the protrusion is engaged in an
engagement hole of the expansion card and the slidable stopper is
in a blocking position;
[0014] FIG. 8 depicts that the expansion card engages a second
guide surface of the protrusion and the slidable stopper is in the
releasing position;
[0015] FIG. 9 depicts that a positioning protrusion of the slidable
stopper is located in a first positioning hole of a sidewall
part;
[0016] FIG. 10 depicts that the positioning protrusion of the
slidable stopper is located in a second positioning hole of the
sidewall part; and
[0017] FIG. 11 is an exploded view of a circuit assembly according
to a second embodiment of the invention.
DETAILED DESCRIPTION
[0018] In the following detailed description, for purposes of
explanation, numerous specific details are set forth in order to
provide a thorough understanding of the disclosed embodiments. It
will be apparent, however, that one or more embodiments may be
practiced without these specific details. In other instances,
well-known structures and devices are schematically shown in order
to simplify the drawing.
[0019] Please refer to FIG. 1 to FIG. 4, where FIG. 1 is an
exploded view of a circuit assembly according to a first embodiment
of the invention, FIG. 2 is a perspective view of a first slide
rail, a latch and a slidable stopper in FIG. 1, FIG. 3 is an
exploded view of the first slide rail, the latch and the slidable
stopper in FIG. 2, and FIG. 4 is an exploded view of the first
slide rail, the latch and the slidable stopper in FIG. 2 taken from
another viewing angle.
[0020] As shown, this embodiment provides a circuit assembly 10
including an expansion card 100, a circuit board 200, and a mount
assembly 250. The circuit board 200 includes a plate body 201 and a
socket 202 disposed at the plate body 201. The plate body 201 of
the circuit board 200 includes a top surface 203, a bottom surface
204, an opening 205, a first wall surface 206, and a second wall
surface 207. The top surface 203 faces away from the bottom surface
204. The opening 205 penetrates through the top surface 203 and the
bottom surface 204. The first wall surface 206, the second wall
surface 207, and the socket 202 together form the opening 205. The
first wall surface 206 and the second wall surface 207 are
connected to the top surface 203 and the bottom surface 204. In
addition, the first wall surface 206 faces towards the second wall
surface 207. The socket 202 is located at one side of the opening
205. The expansion card 100 can be accommodated in the opening 205
and connected to the socket 202.
[0021] In this embodiment, the mount assembly 250 includes a first
slide rail 300, a second slide rail 400, a latch 500, and a
slidable stopper 600.
[0022] The first slide rail 300 and the second slide rail 400 are
respectively fixed to the first wall surface 206 and the second
wall surface 207 of the circuit board 200 for the slide movement of
the expansion card 100 on the circuit board 200.
[0023] Note that the opening 205 on the circuit board 200 is
optional. In other embodiments, the circuit board does not include
the opening 205; in such a case, the socket, the first slide rail,
and the second slide rail can be disposed on the top surface of the
circuit board.
[0024] The first slide rail 300 and the second slide rail 400 are
the same or similar in configuration, and thus only the first slide
rail 300 will be described in detail in the following paragraphs to
avoid repetition.
[0025] The first slide rail 300 includes a base part 301, a
sidewall part 302, and a groove 303. The sidewall part 302 is
connected to the base part 301. The sidewall part 302 and the base
part 301 together form the groove 303 therebetween. The sidewall
part 302 includes a first wall portion 3020, a second wall portion
3021, and a third wall portion 3022. The first wall portion 3020 is
connected to the third wall portion 3022 via the second wall
portion 3021. The second wall portion 3021 is located between the
first wall portion 3020 and the third wall portion 3022. The third
wall portion 3022 is located closer to the socket 202 than the
first wall portion 3020. The groove 303 is configured for the slide
movement of the expansion card 100, such that the expansion card
100 can be slid along the groove 303 to be connected to the socket
202 of the circuit board 200.
[0026] The latch 500 includes a cantilever 501 and a protrusion
502. The cantilever 501 includes a fixed end part 5010 and a free
end part 5011 that are located opposite to each other. The fixed
end part 5010 is fixed to the third wall portion 3022 of the
sidewall part 302. In addition, as shown in FIG. 2, in this
embodiment, an extension direction D1 of the groove 303 of the
first slide rail 300 is substantially parallel to an extension
direction D2 of the cantilever 501. That is, the extension
direction D1 is parallel to the extension direction D2 or at a
negligible angle to the extension direction D2, but the invention
is not limited thereto. In other embodiments, the extension
direction of the groove is at an acute angle to that of the
cantilever.
[0027] The protrusion 502 protrudes from the free end part 5011 and
is located in the groove 303 of the first slide rail 300. The
protrusion 502 is configured to be engaged into an engagement hole
101 of the expansion card 100. The protrusion 502 includes a first
guide surface 5020 and a second guide surface 5021 respectively
located at opposite sides of the protrusion 502. The first guide
surface 5020 and the second guide surface 5021 are configured to be
engaged by the expansion card 100. As the expansion card 100
engages the first guide surface 5020 or the second guide surface
5021, the expansion card 100 forces the protrusion 502 to move away
from the engagement hole 101 of the expansion card 100.
[0028] Note that, in some other embodiments, the protrusion does
not include the first guide surface 5020 and the second guide
surface 5021; in such a case, the removal of the protrusion from
the engagement hole of the expansion card can be performed
manually.
[0029] Furthermore, in this embodiment, the latch 500 and the first
slide rail 300 are integrally formed into a single piece, but the
disclosure is not limited thereto. In other embodiments, the latch
and the first slide rail are two pieces assembled together.
[0030] The slidable stopper 600 includes a stopper body 601 and a
positioning protrusion 602. The first slide rail 300 further
includes a first positioning hole 304 and a second positioning hole
305. The first positioning hole 304 and the second positioning hole
305 are located on the sidewall part 302 of the first slide rail
300. The positioning protrusion 602 protrudes inwards from an inner
surface of the stopper body 601. The stopper body 601 is slidably
disposed on the second wall portion 3021 of the sidewall part 302
so that the slidable stopper 600 is movable between a blocking
position and a releasing position. Additionally, the positioning
protrusion 602 is selectively located in the first positioning hole
304 or the second positioning hole 305 so as to position the
stopper body 601 in the releasing position or the blocking
position.
[0031] However, the slidable stopper 600 is not limited to include
the positioning protrusion 602 and the first slide rail 300 is not
limited to include the first positioning hole 304 and the second
positioning hole 305. In other embodiments, the slidable stopper
does not include the positioning protrusion, the first slide rail
does not include the first positioning hole and the second
positioning hole, and the slidable stopper is positioned on the
first slide rail by other suitable manner.
[0032] In addition, in this embodiment, the slidable stopper 600
further includes a handle portion 603. The handle portion 603
protrudes from a side of the stopper body 601. As shown, the handle
portion 603 and the stopper body 601 substantially form a reversed
L shape. Also, the handle portion 603 includes an arcuate side
surface 6030 to facilitate the operation of the slidable stopper
600.
[0033] Note that the locations of the fixed end part 5010 of the
cantilever 501 and the stopper body 601 are not restricted and can
be modified as desired. In other embodiments, the fixed end part of
the cantilever is fixed to the second wall portion, and the stopper
body is slidably disposed on the third wall portion that is located
closer to the socket.
[0034] For the purpose of description, only the cooperation of the
first slide rail 300, the latch 500, and the slidable stopper 600
will be described below to explain the installation or removal of
the expansion card 100 from the socket 202 of the circuit board
200.
[0035] Please refer to FIG. 5. FIG. 5 is a side view showing that
an expansion card pushes a first guide surface of a protrusion and
the slidable stopper is located at a releasing position.
[0036] As shown in FIG. 5, the slidable stopper 600 is in the
releasing position and the expansion card 100 is sliding into the
groove 303 of the first slide rail 300 along an insertion direction
D3. During this process, the expansion card 100 engages the first
guide surface 5020 of the protrusion 502 of the latch 500 so that
the expansion card 100 can force the protrusion 502 protruding from
the free end part 5011 of the cantilever 501 to move away from the
base part 301. That is, the insertion of the expansion card 100 can
move the protrusion 502 out of its normal position so as to force
the cantilever 501 to deform. The movement of the latch 500 enables
the insertion of the expansion card 100 into the groove 303 along
the insertion direction D3.
[0037] Next, please refer to FIG. 6 and FIG. 7, where FIG. 6 is a
perspective view showing that the expansion card is inserted into a
socket of a circuit board, and FIG. 7 is a side view showing that
the protrusion is engaged in an engagement hole of the expansion
card and the slidable stopper is located at a blocking
position.
[0038] As shown in FIG. 6 and FIG. 7, as the expansion card 100
reaches the predetermined position of being able to be inserted
into the socket 202 of the circuit board 200, the protrusion 502
does not interfere with the expansion card 100. At this moment, the
cantilever 501 can spring to its normal position so as to restore
the protrusion 502 and making it engage into the engagement hole
101 of the expansion card 100. This secures the current position of
the expansion card 100. Also, the slidable stopper 600 can be moved
to the blocking position to block a side of the free end part 5011
that is located away from the base part 301 of the first slide rail
300, and thus the protrusion 502 is prevented from moving away from
the expansion card 100, thereby securing the engagement between the
protrusion 502 and the engagement hole 101.
[0039] Then, please refer to FIG. 8 to explain the removal of the
expansion card 100, where FIG. 8 is a side view showing that the
expansion card pushes a second guide surface of the protrusion and
the slidable stopper is located at the releasing position.
[0040] As shown, the first step is to return the slidable stopper
600 to the releasing position, by doing so, the free end part 5011
of the cantilever 501 is not blocked by the slidable stopper 600
and is allowed to be moved away from the expansion card 100.
Therefore, the second step is to draw the expansion card 100 in a
detaching direction D4 opposite to the insertion direction D3.
During the movement of the expansion card 100 in the detaching
direction D4, the expansion card 100 engages the second guide
surface 5021 of the protrusion 502 so that the expansion card 100
can force the protrusion 502 to disengage from the engagement hole
101 of the expansion card 100. That is, the removal of the
expansion card 100 also can move the protrusion 502 out of its
normal position so as to force the cantilever 501 to deform. And
the movement of the latch 500 enables the removal of the expansion
card 100 from the groove 303 along the detaching direction D4.
[0041] Moreover, please refer to FIG. 9 and FIG. 10 explain the
positioning of the slidable stopper, where FIG. 9 is a side
cross-sectional view showing that a positioning protrusion of the
slidable stopper is located in a first positioning hole of a
sidewall part, and FIG. 10 is a side cross-sectional view showing
that the positioning protrusion of the slidable stopper is located
in a second positioning hole of the sidewall part. As shown in FIG.
9, when the slidable stopper 600 is in the releasing position, the
positioning protrusion 602 of the slidable stopper 600 is located
in the first positioning hole 304 of the sidewall part 302 so that
the slidable stopper 600 is positioned in the releasing position.
As shown in FIG. 10, when the slidable stopper 600 is in the
blocking position, the positioning protrusion 602 is located in the
second positioning hole 305 of the sidewall part 302 so that the
slidable stopper 600 is positioned in the blocking position.
[0042] The mount structure 250 is not limited to include single
latch 500 and single stopper 600, please refer to FIG. 11 that is
an exploded view of a circuit assembly according to a second
embodiment of the invention.
[0043] In this embodiment, the mount assembly 250a of the circuit
assembly 10a includes a first slide rail 300a, a second slide rail
400a, a first latch 500a, a first slidable stopper 600a, a second
latch 700a and a second slidable stopper 800a. That is, in this
embodiment, the mount assembly 250a includes two latches and two
slidable stoppers. The first latch 500a and the second latch 700a
are respectively disposed on the first slide rail 300a and the
second slide rail 400a, and are respectively configured to be
engaged into two engagement holes 101a and 102a of the expansion
card 100a. The first slidable stopper 600a and the second slidable
stopper 800a are respectively disposed on the first slide rail 300a
and the second slide rail 400a, and are respectively configured to
stop the first latch 500a and the second latch 700a.
[0044] The first latch 500a and the second latch 700a have the same
or similar configuration to the latch 500 shown in FIGS. 1 to 4 and
therefore not repeated in detail here. And the first slidable
stopper 600a and the second slidable stopper 800a have the same or
similar configuration to the slidable stopper 600 shown in FIGS. 1
to 4 and therefore not repeated in detail here as well.
[0045] Also, the installation and removal of the expansion card
100a would be understood referring to the previous paragraphs
therefore not repeated in detail here.
[0046] According to the mount assembly and the circuit assembly
discussed above, the slidable stopper can block the side of the
free end part of the cantilever located away from the base part
when the slidable stopper is in the blocking position, thus the
protrusion protruding from the free end part of the cantilever is
prevented from moving away from the expansion card, securing the
engagement between the protrusion and the engagement hole. On the
other hand, when the slidable stopper is in the released position,
the protrusion can be disengaged from the engagement hole by the
removal of the expansion card. As such, the cooperation of the
latch and the slidable stopper can secure the connection between
the expansion card and the socket while allowing the expansion card
to be movable along the rails.
[0047] It will be apparent to those skilled in the art that various
modifications and variations can be made to the present invention.
It is intended that the specification and examples be considered as
exemplary embodiments only, with a scope of the invention being
indicated by the following claims and their equivalents.
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