U.S. patent application number 09/742488 was filed with the patent office on 2001-11-15 for horizontally retractable handle of wheeled luggage.
This patent application is currently assigned to Chaw Khong Technology Co., Ltd.. Invention is credited to Kuo, Chung Hsien.
Application Number | 20010040080 09/742488 |
Document ID | / |
Family ID | 4624864 |
Filed Date | 2001-11-15 |
United States Patent
Application |
20010040080 |
Kind Code |
A1 |
Kuo, Chung Hsien |
November 15, 2001 |
Horizontally retractable handle of wheeled luggage
Abstract
A horizontally retractable handle of wheeled luggage is
introduced. The handle is retracted to the top of the luggage when
it is not in use. When the handle is in use, the user simply pulls
out the handle horizontally, transits the handle from its
horizontal position to a vertical position, locks the handle in the
vertical position, and then pulls the handle out to its maximum
length. When the handle is not in use, the user pushes the handle
down and rotates the handle in a reverse direction to transit it
from the vertical position to a horizontal position; thereby,
pushing the handle horizontally into its preserving recess on the
top of the luggage body.
Inventors: |
Kuo, Chung Hsien; (Pan-Chiao
City, TW) |
Correspondence
Address: |
WARE FRESSOLA VAN DER SLUYS &
ADOLPHSON, LLP
BRADFORD GREEN BUILDING 5
755 MAIN STREET, P O BOX 224
MONROE
CT
06468
US
|
Assignee: |
Chaw Khong Technology Co.,
Ltd.
|
Family ID: |
4624864 |
Appl. No.: |
09/742488 |
Filed: |
December 20, 2000 |
Current U.S.
Class: |
190/115 ;
190/39 |
Current CPC
Class: |
A45C 13/262
20130101 |
Class at
Publication: |
190/115 ;
190/39 |
International
Class: |
A45C 013/26 |
Foreign Application Data
Date |
Code |
Application Number |
May 12, 2000 |
CN |
00234361.4 |
Claims
What is claimed is:
1. A retractable handle device of wheeled luggage provided on a top
of the luggage slidable and extendable from a rear top to a front
top of the luggage, the retractable handle device comprising: a
handle grip; a pair of sliding tubes slidable on the top of the
luggage, a front end of the sliding tubes connected to the handle
grip; and a pair of locking devices provided at a front portion of
the luggage; wherein by horizontally extending the luggage handle
to a front-most extent, performing a rotation of a rear end of each
of the pair of sliding tubes causing the locking device to move
downward, the luggage handle changes its orientation from a
horizontal position to a vertical position, upon changing an
orientation of the luggage handle at a predetermined position, the
pair of locking devices lock the pair of sliding tubes in place to
thereby secure the luggage handle into a position readied for the
user's towing operation.
2. The retractable handle device of claim 1, wherein the locking
device comprises a solid locking block, a first spring biased
against the solid locking block, a hollow locking block, a second
spring biased against the hollow locking block, and a casement.
3. The retractable handle device of claim 1, wherein a pair of
sleeving members are further sleeved on the sliding tubes of the
luggage handle.
4. The retractable handle device of claim 3, wherein the sleeving
member comprises a pivotal block and a center block.
5. The retractable handle device of claim 1, wherein each of the
said pair of sliding tubes comprises an inner sliding tube and an
outer sliding tube.
6. The retractable handle device of claim 1, further comprising a
pair of horizontal grooves on the top of the luggage.
7. The retractable handle device of claim 6, wherein a guiding
means is further provided in the horizontal grooves.
8. The retractable handle device of claim 7, wherein the guiding
means comprises an arcuate guide groove, a first dent, and a second
dent.
9. A retractable handle device of wheeled luggage slidable along
two horizontal grooves on the top of the luggage, the retractable
handle device comprising: a luggage handle including a handle grip,
two outer sliding tubes, and two inner sliding tubes; a pair of
locking devices each provided in the front portion of the luggage
handle; a pair of spring biased members each provided in the rear
end of the outer sliding tube; and a pair of L-shaped guide grooves
each provided along the inner wall of a horizontal groove; wherein
by extending the luggage handle, the spring biased members are
protruded to be locked in the locking devices when the luggage
handle is fully pulled out horizontally; to change the handle's
orientation from its horizontal position to a vertical position,
the spring biased members are locked in their vertical positions by
the activation of the locking devices, thereby holding the luggage
handle in place in an operating position.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a luggage handle and more
particularly to a horizontally retractable luggage handle of
wheeled luggage.
[0003] 2. Description of Related Art
[0004] Conventionally, a retractable handle is disposed vertically
inside the rear portion of a luggage piece and can be retracted
into the bezel provided on the top of the luggage so that only the
top portion of the handle grip is revealed to the user. However, by
using such a design, the available storage space inside the rear
portion of the luggage is relatively reduced. By complying with the
Warsaw Convention, i.e., to maintain the safety of air
transportation and air travel, the exterior of luggage has to be
smooth and nonprotruded; therefore a luggage's handle assembly has
to be concealed inside the luggage body. Since an internal
concealment space for the luggage handle is indispensable, the
corresponding sacrifice for precious available storage space in the
luggage also becomes inevitable, if the retractable handle
mechanism is to be retracted and concealed vertically inside the
luggage. Thus, there is a need for a new horizontally retractable
luggage handle design.
SUMMARY OF THE INVENTION
[0005] An object of the present invention is to provide a
horizontally retractable handle for wheeled luggage such that when
the handle is not in use, it can be retracted into and stored in a
top chamber inside the luggage so that the luggage's loading
capacity can be increased by sparing more upright storage space for
the user.
[0006] Another object of the present invention is to provide a
horizontally retractable handle for the wheeled luggage such that
the new design can provide the advantages of component simplicity,
convenience, practicality, and durability.
[0007] The above and other objectives, features, and advantages of
the present invention will become apparent from the following
detailed description made in conjunction with the accompanying
drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0008] FIGS. 1A to 1E show a plurality of schematic views of a
horizontally retractable handle of a wheeled luggage according to
the main concept of the invention, which demonstrates the
maneuverability of the horizontally retractable handle;
[0009] FIG. 2 is an environmental side view schematically showing
the use of the horizontally retractable handle of the wheeled
luggage, according to the present invention;
[0010] FIG. 3A is a side cross-sectional view of the retracted
horizontally retractable handle showing one of the preferred
embodiments of the present invention;
[0011] FIG. 3B is a top cross-sectional view of the retracted
horizontally retractable handle of FIG. 3A;
[0012] FIG. 3C is a perspective exploded view of the horizontally
retractable handle's locking device;
[0013] FIG. 3D is a perspective view of the casement of the
horizontally retractable handle's locking device;
[0014] FIG. 4A is a side cross-sectional view of the handle of FIG.
3A, which is being pulled out;
[0015] FIG. 4B is a top cross-sectional view of the handle of FIG.
4A;
[0016] FIG. 5 is a side cross-sectional view showing the handle of
FIG. 4A transited from a horizontal position to a vertical
position;
[0017] FIG. 6 is a side cross-sectional view showing the handle of
FIG. 4A in its erected vertical position;
[0018] FIG. 7 is similar to FIG. 6, showing the pulling-out and
pushing-in of the inner sliding tube; and
[0019] FIG. 8 is a side cross-sectional view showing the retraction
of the handle.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0020] The main concept of the present invention, as mentioned
above, is to provide a horizontally retractable handle device of
wheeled luggage provided on a top chamber of the luggage. This
horizontally retractable handle device enables the user to operate
the luggage handle by directing it from a horizontally retractable
position to a vertical position. FIGS. 1A to 1E are a plurality of
schematic views of a horizontally retractable handle of a wheeled
luggage according to the main concept of the invention, which also
demonstrate the maneuverability of the horizontally retractable
handle in accordance with the present invention. The important
feature of the present invention is to provide a horizontally
retractable handle device of wheeled luggage on a top chamber of
the luggage, wherein the handle is slidable along two horizontal
grooves extending from the rear top to the front top of the
luggage. The retractable handle device comprises a handle grip; a
pair of sliding tubes, which are slidable along the two horizontal
grooves on the top of the luggage, wherein the front ends of the
sliding tubes are connected to the handle grip; and a pair of
locking devices provided at the front portion of the two horizontal
grooves.
[0021] With all these composing members stored in place, the user
first pulls out the luggage handle horizontally to the front-most
position, then, with one move, rotates the rear end of each of the
said pair of sliding tubes and causes the locking device to move
downward. Accordingly, the luggage handle changes its orientation
from a horizontal position to a vertical position. Upon changing
the orientation of the luggage handle at a predetermined position,
the pair of locking devices would lock the pair of sliding tubes in
place, thereby securing the luggage handle into a position readied
for the user's towing operation.
[0022] FIG. 1A shows the handle 50 retracted into the top chamber
of the luggage 10. The user may pull the handle 50 out and change
the orientation thereof when the handle is in use (FIGS. 1B to 1E).
FIG. 2 shows the fully extended handle 50 being carried by a
person. It is noted that the locking device and the locations of
the associated locking holes (i.e., the locking mechanism provided
in the outer sliding tubes and the inner sliding tubes) are a prior
art, therefore a detailed description related to the subject is
omitted here for the sake of brevity.
[0023] FIGS. 3a to 8 show the preferred embodiment of the luggage
handle 50 comprised of an outer sliding tube 51, an inner sliding
tube 52, a sleeve 54, and a handle grip 53 on the top of the handle
50. Note that one side of handle 50 is a mirror of the other side
thereof, so that the description of one side of the handle 50
serves to describe the whole handle 50.
[0024] The horizontally retractable handle assembly of luggage
comprises a handle 50, a sleeving member 20 sleeved on handle 50, a
groove 11 for allowing handle 50 to slide therein, a handle locking
device 40, and an arcuate guide groove 13 for controlling the
orientation of the handle 50 when it is retracted. An enlargement
510 is provided on the bottom end of the outer sliding tube 51. The
enlargement 510 is slidable along the groove 11. The sleeving
member 20 is disposed between the groove 11 and the outer sliding
tube 51. The sleeving member 20 is sleeved on the handle 50 and has
a smaller front end 24 and a larger rear end 25, so that the
enlargement 510 may move through the larger end 25 until it is
stopped at the smaller end 24 (FIG. 4A). A pivotal block 23 and a
center block 22 are provided on the external surface of the
sleeving member 20. The pivotal block 23 and the center block 22
are moveable in the guide groove 12 on the top of the luggage. The
guide groove 12 has a straight rear portion. An arcuate guide
groove 13 is at the front of the guide groove 12 to allow the
pivotal block 23 to rotate therein. A dent 131 is provided at the
rear end of the guide groove 13. A dent 121 is provided beneath the
dent 131, and an arcuate recess 122 is provided opposite to the
dent 121 for permitting the center block 22 to rotate therein.
[0025] The horizontally retractable handle's locking device 40 is
designed partly to let the handle 50 rotate from a horizontal
position to a vertical position and lock the handle 50 in the
vertical position. The handle's locking device 40 is located at the
front portion of the top chamber of the luggage handle 50 and is
just below the recess 122 when handle 50 is fully retracted into
its horizontal casement at the top of the luggage. As shown in
FIGS. 3C and 3D, the handle's locking device 40 comprises a solid
locking block 411 in the center, a spring 410 biased against the
bottom of the solid locking block 411, a hollow locking block 42
surrounding the solid locking block 411, two springs 420 biased
against the bottom of the hollow locking block 42, two springs 420,
which are sleeved one on each of the two pedestals 421 extended
down from the two sides of the top portion of the hollow locking
block 42, and a casement 43 (see FIG. 3D). The casement 43 has a
wide notch 432, a narrow notch 4321, a concave slope 431, and two
hollow cylinders 433 extended down from the lower portion of the
casement 43. The two pedestals 421, which extend down from the two
shoulders of the main block of the hollow locking block 42, serve
to assure a smooth descent of the block 42 itself. Each of the
pedestals 421 is equipped with three-sectioned flanges 4212 and
three slits 4211 evenly deployed amongst the three flanges 4212.
These arrangements are provided to make way for the two pedestals
421 to insert themselves into the fixing holes 434 within the two
cylinders 433 of the casement 43 (see FIG. 3D) so as to facilitate
the manufacturing and assembling of the part. The solid locking
block 411 consists of two portions on two opposite sides of the
part. The first portion, which is at the front face, includes a
large bulk with a trapezoidal side profile. This portion is
provided for interacting with the enlargement 510. The second
portion, which is on the back side of the locking block 411,
includes a smaller block with a trapezoidal side profile and two
vertically allocated board-like pieces provided at the two vertical
edges, respectively, of the locking block 411. The piece with a
trapezoidal side profile is located at the center-top of the back
face, and it serves to interact with the hollow locking block 42.
The other two vertically allocated board-like pieces serve as the
sliding tracks for the locking block 411. The hollow locking block
42 contains three portions, which are mutually separate on top and
connected together at the bottom. While the two side shoulders are
responsible for wrapping up the two stretched-down pedestals 421,
the one central piece between them interacts with the solid locking
block 411.
[0026] As shown in FIGS. 3A to 3D, the left part of the solid
locking block 411 extends into the hollow locking block 42 such
that the hollow locking block 42 may move downward as the solid
locking block 411 moves downward. But the hollow locking block 42
cannot move downward if it is the only member which is pushed down,
because the compression force will be neutralized by the little
notch located to the left of the hollow locking block 42 upon the
locking device's 40 casement 43 (see FIGS. 3A, 3C, and 3D). When
handle 50 is pulled out from its recess position (a first position,
as shown in FIG. 3A) to its horizontal active position (a second
position, as shown in FIG. 4A), the sleeving member 20 first
contacts the blunt tip of the solid locking block 411, which in
turn causes the locking device;s 40 two acting elements, the solid
locking block 411 and the hollow locking block 42, to move
downward. The sleeving member 20 moves to its front most position
when the outer sliding tube 51 is fully extended. At this instant,
the pivotal block 23 and the center block 22 are located at the
bottom of the arcuate guide groove 13 and the bottom of dent 121,
respectively (see FIG. 4A). Handle 50 is further pushed to move
from its horizontal position toward its vertical position (as shown
in FIGS. 4 to 6), wherein the pivotal block 23 and the center block
22 are rotated along the guide grooves 12 and 13 (FIG. 5) until
they reach their positions shown in FIG. 6. At this instant, the
handle 50 is held at its vertical position when the pivotal block
23 and the center block 22 are being received into the dents 131
and 121, respectively (FIGS. 6 and 7). The user may further pull
the inner sliding tube 52 out by pressing the button 531 on the
handle grip 53 until the inner sliding tube 52 is fully extended.
This time the handle 50 is protracted to its maximum length (FIG.
7), and consequently the user may pull the luggage along the
ground.
[0027] FIG. 8 shows an erectly retracted handle 50. The following
narrative will describe the retractable handle's operating
procedure and discuss how exactly the handle locking device 40
works when the user tries to convert the retractable handle from
its vertical position to a horizontal position and push it into its
horizontal recess on the top of the luggage. The user can push it
back into its horizontal recess by first pressing the handle grip
53 down. The handle's inner sliding tube 52 will then be pushed
downward, as shown in FIG. 8, and the bottom of the enlargement 510
at the bottom end of the outer sliding tube 51 will contact the
solid locking block's 411 blunt tip. At this moment, the block's
411 blunt tip is at its highest position. Due to the action of the
solid locking block's 411 allocating spring 410, the solid locking
block 411 will descend. Please refer to FIGS. 3C and 3D,
specifically. Before the solid locking block 411 is pushed down, as
shown in FIG. 7, the hollow locking block 42 is caught on the wide
notch 432 provided at the lower edge center of the concave slope
431 inside the handle's locking device 40, having no way to
maneuver. When the tip of the solid locking block 411 is pushed
down and descends to almost the same height as the hollow locking
block 42's top platform, the hollow locking block's 42 major
reacting element (the little piece at the top-center), being
compressed and temporarily deformed by the pressure from the bottom
of the enlargement 510, moves toward the solid locking block 411
and relieves itself from the narrow notch 4321 located at the lower
edge center of the concave slope 431 on casement 43. Concurrently,
the two springs 420, which are curled around the hollow locking
block's 42 two pedestals 421, will be compressed to allow block 42
to descend. Thus, both the solid locking block 411 and the hollow
locking block 42 are able to descend. At that time, the pivotal
block 23 and the center block 22 are also released from their
respective dents 131 and 121, and thereafter the enlargement 510
and the sleeving member 20 both move counterclockwise (see FIG. 5)
from their original vertical active positions to the horizontal
inactive positions. The handle 50 is further pushed in until it is
fully retracted into its horizontal storage space on the top of the
luggage (see FIGS. 4A, 3B, and 3A).
[0028] It is appreciated by those skilled in the art that, in
another embodiment, the sleeving member 20, the pivotal block 23,
the center block 22, and the guide grooves 12, 13 may be omitted,
wherein a spring biased guiding member and an L-shaped guide groove
(not shown) are installed instead. The spring biased guiding member
is provided on the outer side portion of the rear end of the outer
sliding tube at the position of the center block 22 (instead of the
center block 22 and the pivotal block 23) and the L-shaped guide
groove is provided along the inner wall of the groove 11 and
extended from the rear to the front portion of the groove 11.
Whenever the user tries to pull the horizontally retractable handle
out to its operating position (i.e., to change the handle's
orientation from its original inactive horizontal position to its
active vertical position), the spring-biased member will be
protruded along the L-shaped guide groove and be further protruded
and locked in a locking device when the handle is pull out in its
vertical position. When the user tries to deactivate the
retractable handle from its vertical position and put it back to
its horizontal storage space, the user pushes a button on the
handle grip and the spring-biased guiding member will be retracted
and be pushed down accordingly. By following a reverse procedure,
the handle will be retracted.
[0029] While the invention herein disclosed has been described by
means of specific embodiments, numerous modifications and
variations could be made thereto by those skilled in the art
without departing from the scope and spirit of the invention set
forth in the claims.
* * * * *