U.S. patent number 3,569,903 [Application Number 04/848,301] was granted by the patent office on 1971-03-09 for coaxial connector with axial interlock.
This patent grant is currently assigned to Sealectro Corporation. Invention is credited to Alexander R. Brishka.
United States Patent |
3,569,903 |
Brishka |
March 9, 1971 |
COAXIAL CONNECTOR WITH AXIAL INTERLOCK
Abstract
An electrical connector with a male member, a female member with
a bore, and slots forming spring jaws in said female member to form
an electrical connection between the members, and means are
provided to lock the mated parts against axial displacement. The
outer end of the bore is flared diagonally outwardly and a tubular
member slidable on the female member contacts the diagonally flared
outer end of the bore and cams the jaws outwardly to release the
parts.
Inventors: |
Brishka; Alexander R.
(Mamaroneck, NY) |
Assignee: |
Sealectro Corporation
(Mamaroneck, NY)
|
Family
ID: |
25302920 |
Appl.
No.: |
04/848,301 |
Filed: |
August 7, 1969 |
Current U.S.
Class: |
439/352; 285/315;
403/321; 439/268; 403/322.1; 24/635; 285/319; 403/329 |
Current CPC
Class: |
H01R
13/6277 (20130101); Y10T 403/591 (20150115); Y10T
24/45634 (20150115); Y10T 403/59 (20150115); Y10T
403/606 (20150115) |
Current International
Class: |
H01R
13/627 (20060101); H01r 013/62 () |
Field of
Search: |
;339/74,91
;24/110,211,230 ;287/119 ;285/315,316,319,321 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Champion; Marvin A.
Assistant Examiner: McGlynn; Joseph H.
Claims
I claim:
1. A connector formed with mating male and female members with
means at their outer ends for connection with cable terminals, the
female member having a bore and longitudinal slots extending from
its inner end, the slots forming jaws, the inner faces of said bore
and the outer face of the male member being of such proportions as
to effect an electrical connection when the parts are mated, one of
said faces having an annular slot and the other being provided with
an annular rib received in said slot to lock the members against
axial displacement, the outer end of said bore being flared
diagonally outwardly and means for spreading the jaws outwardly to
permit disengagement and comprising a tubular member slidable on
and enclosing the female member and having at its forward end an
internal sleeve which contacts the diagonally flared outer ends of
the bore upon being moved longitudinally and cams the jaws
outwardly.
2. The structure described in claim 1 wherein the jaws are set
inwardly a sufficient distance to exert a constrictive action on
the male member and improve the electrical conductivity of the
connector.
3. The structure described in claim 1 wherein the internal sleeve
is formed in the same piece with the tubular member.
4. The structure described in claim 1 wherein the internal sleeve
is separately formed and the inner end of the tubular member is
rolled inwardly to form a flange limiting outward movement of the
internal sleeve.
5. The structure described in claim 1 wherein the annular slot is
on the inner annular face of the bore and the rib is on the outer
annular face of the male member. 6The structure described in claim
5 wherein the rib has a
chamfer on its outer end. 7. The structure described in claim 1
wherein the annular slot is on the outer face of the male member
and the rib is on
the inner annular face of the bore. 8. The structure described in
claim 7 wherein the rib has a chamfer at its forward end.
Description
This invention relates to coaxial and multiconductor cylindrical
connectors. The principal object of the invention is to provide a
pair of connectors with quick connect and disconnect features with
a positive interlock to retain the parts in locked relation. The
mating and unmating of the connectors is accomplished by relative
movement of the parts in a strictly axial line and requires no
rotational movement between the parts whatsoever. This positive
locking feature prevents accidental unmating as a result of
applying tension to the connector cables.
The female component of the connector is a sleeve with longitudinal
slots forming jaws which can be inwardly set to effect a good
electrical connection on the male connectors. An annular rib in one
of the members is received in an annular slot in the other and a
wall at one end of the rib forms the interlock with the rib.
Sliding a novel tubular member enclosing the slotted sleeve moves
the jaws outwardly a sufficient distance to permit unmating of the
parts
In the drawings:
FIG. 1 is an exploded view showing the male and female connectors
of the present invention in fully mated condition;
FIG. 2 is a side elevation of the male connector;
FIG. 3 shows the parts in fully mated relation;
FIG. 4 shows a modification in the construction of the slidable
sleeve wherein it is formed in two pieces; and
FIG. 5 shows a modification in the locking feature.
The male connector 10 has a chamfered forward end 11 to facilitate
entry into the female connector 12. The male connector has a
constant outer diameter D extending rearwardly from the chamfer
except that about midway between its ends there is formed a short
section 14 of increased diameter with an annular chamfer 16 at the
forward end of the larger diameter section. The rear end 18 may be
formed in any desired fashion to accept a cable terminal or
panel.
The female connector 12 of the pair consists essentially of two
parts, an inner member 19 having a forward tubular section 20, and
a slidable sleeve 21. The inner member 19 has an axial bore 22 and
a reduced diameter section 24 leading to a rear end 26 with means
to accept the cable. The forward tubular section 20 has an axial
bore 28 of a diameter to readily receive the male connector 10 and
it has a plurality of longitudinal slots 29 which extend from the
forward end 50 of the inner member 19 almost the full length of
tubular section 20 and this forward end has an external section 31
of increased diameter. The bore has a chamfered or outwardly flared
forward end 32. The slots 29 form jaws 34 which may be set inwardly
by bending the same so that the inner diameter of the bore 28 at
its outer end is less than the diameter D of the male connector 10.
This bore also has an inner annular groove 36 closer to its outer
end which receives the short enlarged diameter section 14 of the
male connector. The jaws 34 are forced outwardly by the chamfer 16
to admit the larger diameter section 14 into the annular groove. It
will be seen that once larger section 14 snaps into the groove the
shoulder 38 prevents withdrawal.
The sleeve 21 has a rear annular flange 39 which is formed over and
engages a shoulder 40 formed by the reduced diameter section 24. It
also has a larger diameter section 41 at its rear end and a larger
diameter section 42 at its forward end which has a central bore 44
of a diameter to freely admit enlarged portion 14 of the male
connector. An interior tubular section 46 extends rearwardly of the
front wall 48 of the sleeve.
Once the enlarged section 14 of the male connector has been snapped
into place in annular groove 36, it can be removed only by moving
jaws 34 outwardly which is accomplished by moving the sleeve to the
right when viewed, as in FIG. 1, so that when the annular corner
section 49 formed at the inner end of internal tubular section 46
contacts the flared surfaces 32 at the outer ends of the jaws, the
jaws are cammed outwardly to permit disassembly.
FIG. 4 shows a modification wherein the slidable tubular member 12'
is formed in two pieces. The internal sleeve 58 is separately
formed and has a chamfer 59 along its forward end. The forward end
of the tubular member is also rolled or otherwise formed inwardly
to provide a flange 60 limiting outward movement of the internal
sleeve. This view also shows in somewhat exaggerated form how the
jaws can be set inwardly to grip the male connector more firmly and
improve the electrical conductivity of the connector assembly.
Actually, the distance the jaws can be bent inwardly to accomplish
this result can be very small.
In the modification of FIG. 5, the annular slot 52 is formed on the
outer surface of the male member 10' and the rib 54 is formed in
the inner face of the bore 28' of the sleeve 20. The rib may have a
chamfer 55 at its forward end to facilitate entry of the male
member. The other parts are identical with those shown in FIGS. 1
and 3.
* * * * *