JPH02152177A - Tensile-force release assembly of cable - Google Patents

Abstract

PURPOSE: To assemble single-line type connector modules easily and quickly using a small number of part items and to enable similar modules to be stacked by assembling two cover means to the connector modules using specific fixing means into a tensile force releasing assembly. CONSTITUTION: Connector modules 20 are secured to a first cover 30 by a fastening clip 130 and a pin 160. Cables 22 are tightly and flatly grouped near an opening 50. Each hook 90 of a second cover 80 is inserted below each boss 60 of the cover 30, and by turning the cover 30 down its surface part 102 exerts cam action on the cable line 28 to deflect the cable line into the opening 50 and to firmly hold it. When the cover 80 is completely turned down, its hooking surface 104 is engaged with the hook member 68 of the cover 30 to hold the same. The connector modules 20 can be stackably assembled into a tensile force releasing assembly by such a simple method.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to the field of electrical connectors, and more particularly to strain relief assemblies for electrical connectors.

BACKGROUND OF THE INVENTION A conventional method of strain relief involves clamping a plurality of conductive cables together into a bundle against the rear of a connector housing so that the conductive cables remote from the connector It is known that the above tension force is transferred to the connector housing.

This method of release minimizes the stress on each terminal or any terminal termination to that of the conductive wire in the cable, or on the terminal retention mechanism in each passageway in the housing. Minimize stress on the terminals.

It is desirable to provide strain relief means for a flat row of conductive cables projecting from a narrow elongate connector, in which case said narrow elongate connector is, for example, a module of the single row type. are stacked in parallel with adjacent similar modules in a closely spaced manner, thereby saving space between the rows of terminals, and in this case providing a The tension relief means provided with the means is not wider or longer than the module.

further resisting forces that tend to impart a torque on the tension relief means in a direction perpendicular to the longitudinal dimension of the narrow connector relative to said connector;
It is desirable to provide such a strain relief means for said narrow connector.

It would also be further desirable to provide a strain relief assembly that has fewer parts and is easier to assemble and disassemble.

SUMMARY OF THE INVENTION The present invention provides an assembly for relieving tension in a string of cables protruding from an electrical connector. A first cover can be fixed to the cable face of the connector in a front area of the connector at each end of the cable row, and the first cover has a transition area, the transition area being , the cables are closely grouped together such that each cable is clamped into a transversely extending cable receiving opening in a rear section of the first cover. a second cover has a cable clamping portion, the cable clamping portion is associated with the transversely extending opening, and the cable clamping portion is connected to the first cable clamping portion; the second cover is configured to engage the cable and deflect the cable into the transversely extending opening when secured to the cover, the second cover being secured to the first cover; when the second cover presses the deflected cable portion firmly against a surface of the cable side of the first cover proximate the front and rear sides of the transversely extending opening. .

According to one embodiment of the invention, the cable-facing side of said first cover has pivot means, which pivot means are arranged, for example, immediately after said transversely extending opening. a pair of bosses on opposite sides of the rear section, the bosses having bearing surfaces that are cylindrical about a common axis extending transversely of the first cover; facing front and back. The second cover has a corresponding pair of C-shaped hooks, the hooks having aligned cylindrical bearing-like inner surfaces, and the hooks being remote from the cable-facing side. It is open on the side. Each of the hooks can be inserted under each of the bosses, and the second cover is rotated about the axis of each of the bosses, with the clamping being either on the surface or on the cable. upon complete tightening, deflecting the cable into said transversely extending opening;
The second cover is attached to the first cover by hooking, for example, near the front end portions of the second cover and the first cover.
Fixed to the cover.

According to another embodiment of the invention, the second cover essentially comprises a fastening bar (boss) which is receivable into the cable receiving opening of the first cover, the fastening bar being receivable into the cable receiving opening of the first cover. The bar likewise deflects the cable into the cable receiving opening of the first cover and clamps the cable against the first cover on the front and rear sides of the opening, in which case the clamping When the attachment bar is fully inserted into said opening, the clamp is hooked, for example, by a hook shelf at each end of said opening that enters a hook recess at each end of the bar.

According to another feature of the invention, the means for fastening the first cover to the connector extend across the flanges at both ends of its front section and the rear side of these flanges. clip members having a transverse rear section, the clip members having an axially extending body section and a transversely extending slot in the connector; and the means for securing the first cover to the connector may include a plurality of pins, the pins having a transversely extending front section projecting into the connector. The flange, the rear clip area, the connector, and the front clip area can be threaded into each aligned array. each pin has an enlarged rear head;
and can have a plurality of bifurcated and enlarged front ends that can be squeezed to pass through smaller diameter holes in the front clip area; Thereafter, it can be expanded again in the larger diameter part of the hole of the connector in front of the front clip area, in which case the front clip area is then It acts as a stopper member for the enlarged end of the pin to secure the pin in the hole and to secure the first cover to the connector.

It is an object of the present invention to provide a strain relief means (assembly) for one flat row of cables protruding from a single row type connector module, said single row type connector module are configured to be stacked side by side with other similar modules, with said strain relief assembly also being aligned side by side with similar strain relief assemblies of adjacent modules in the stack. It should be possible to

Another object of the invention is to provide a strain relief assembly that has a small number of parts and allows for quick and easy assembly.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Figures 1 and 2 illustrate a wire integration system 200 for use on, for example, an aircraft, on which the aircraft includes:
Multiple onboard systems, including power, control, sensing, direction, radio reception and transmission, etc., are interconnected with other such systems on one or more wired integrated panels 202, or - It needs to be legalized. Such a system has a central location (location)
or electrical/electronic pay (compartments), should have the ability to be controlled or sensed by multiple "black boxes" 204, and optionally interconnected with each other.

The black box must be able to be removed from the aircraft, for example for frequent routine testing and maintenance, or for replacement. The cables 206 and 208 are generally provided within a bundle or harness and have one end connected to a unitary plug-type connector 2.
10, a plug-type connector 210 extends to the wire-integrated panel 202, and a receptacle-type connector IO is mounted on the wire-integrated panel 202; On one side, a plug type connector 210
Can be mated with. The mating receptacle-type connector 10 and plug-type connector 210 are shown having two rows of terminals. Receptacle-type connector 220 and plug-type connector 222 are illustrated as being ready to be mated together and having five rows of terminals, thereby providing an exemplary modular form of wire integration system 200. (form) is shown as a possible embodiment.

In the illustrated embodiment, a plurality of terminals 16 of the receptacle-type connector 10 are secured within the housing 12 along the surface of the wire-forming channel 202 opposite from the surface receiving the plug-type connector 210; , the terminal 1
The wire windings projecting outwardly from 6 have struts 18 for winding one or more electrically conductive wires 218, thereby making it possible to optionally for making electrical connections with corresponding one or more terminals of each of the one or more electrical systems. Preferably, a post protector 224 is secured over the wire wraps and a cover φ plate 226 is attached to the wire integrated panel 202 to provide further protection.

The other end of cable 20B is electrically connected to onboard system 212 or other wire integration system 202, and the other end of cable 208 is electrically connected to black box 204. the mating plug and receptacle type connector assembly 210.10;
must be modular and capable of being attached to a panel, uniquely keyed, and aligned and keyed and oriented when mated. It needs to be able to be easily hooked in a state where it is given a sex, and to be able to be easily unhooked. The integrated wire panel 202 can have a receptacle-type connector 10 attached thereto and can be automatically or semi-automatically wired into a subassembly and installed prior to installation into the aircraft. A test will be conducted. Additionally, the integrated wire panel 202 can be removed from the aircraft for testing, repair, or replacement, if necessary. The integrated wire panel 202 is hingedly mounted at a hinge 214 to facilitate access to the rear surface of the panel 202.
It can be lowered forward from the support structure 21B. The approach to the rear of this panel 202 is intended to facilitate the creation or programming of a program that is essentially necessary to adapt a normally manufactured aircraft to the avionics requirements of a special passenger airline route. This facilitates re-creation.

FIG. 3 shows a two-row plug-type connector 210 for mating with the mating surface of the two-row receptacle-type connector 10 attached to the integrated wire panel 202 of FIG. The wire windings of the terminals 16 protrude from the wire windings 14 of the receptacle-type connector 10 as a row of struts 18 . Such mating connector systems for the wire integration system 200 of FIGS. 1 and 2 are described in more detail in the following US patent applications:

Those U.S. patent applications are Application Nos. 042,205, 042.495, 042.201, 042
．． No. 084, and No. 042,418, (AMP Case No. 13960, No. 13961, No. 1396)
No. 2, No. 13964, and No. 13980), all of which were filed on April 24, 1987 (concurrently with the present application), and all of which have been assigned to the assignee of the present application.

The present invention is an assembly for fixing the single-row plug connector module (unit structure) 20 of FIG. 4 to the cable receiving surface of each of the plug connectors 210 of FIG. This is to provide strain relief to the cables 22 of each module 20 in a manner that does not interfere with stacking or assembling the modules 20 together to form a cable. Each cable 22 has its own conductor which is terminated by a terminal (not shown) and which is then secured within a terminal receiving passageway 24 behind said terminal by a retaining clip (not shown). ) is secured within the terminal receiving passageway 24 by conventional means, such as 7). The tension relief is necessary to break the tension on one or more cables, which, without the strain relief, will cause the conductor wire to connect to the fixed terminal. At the same time as pulling it backwards from the
or tend to damage it.

FIG. 4 shows a preferred embodiment of the strain relief assembly of the present invention. Connector module 20 has a single row of conductor cables 22 extending rearwardly from laterally spaced passages 24 and across cable plane 2
It protrudes away from 6. The first tension relief cover 80 is preferably made of amorphous polyetherimide.
e) and has a flat body section 32 extending from a front section 34 to a rear section 36 and generally having cable sides 38 and an outer surface 40. It has Along the plurality of lateral sides 42, side walls 44 extend away from the cable side 3B of the body section 32. Front end 46
, the cover 30 has a maximum dimension and a minimum dimension,
These dimensions are approximately equal to those of the connector module 20, while the rear section 36 of the cover 30 allows a plurality of closely spaced juxtaposed cables 22 to project therefrom. The dimensions have been reduced so that it is wide enough to A transition section 48 is located between the front section 34 and the rear section 36 into which the plurality of cables 22 are tightly gathered together.

The rear section 3B includes a large transversely extending opening 50 into which the cable 2 can be inserted to provide a strain relief function.
2 will be tightened. The aperture 50 is equal to approximately three cable diameters to five cable diameters;
Preferably, it has an axial dimension. Front side 56 of opening 50
and side 3 for cables of cover 30 near rear side 58
Preferably, the surface portions 52,54 of 8 are gently tapered to provide a cable engaging surface to which the cable 22 is fastened.

Further, the rear section 36 includes a pair of bosses 60, each boss 60 being located along the rear side 58 of the opening 50 on each lateral side of the opening 50 and extending from the cable side 38. are spaced apart. Each boss 60 constitutes a pivot means for the second cover 80 and has a preferably cylindrical bearing surface portion B2, which each bearing surface portion 62 extends to the front end 46 and the opening 50. facing and aligned with each other to form a transversely extending axis;
The second cover 80 will be rotated around this axis.

The second cover 80 is made of amorphous ψ polyetherimide (amorphous polyetherimide).
e) is preferably molded of a thermoplastic insulating material and has a flat body section 82;
extends from the front end 84 to the rear end 86,
A plurality of side walls 88 are included. On each side along the rear end 86 is a C-shaped hook 90 having its own opening, the opening of the hook 90 being connected to the body area 82.
It is directed away from the outer surface 92 of the. Each hook 9
0 has a substantially cylindrical bearing-like inner surface 94.

Each hook 90 corresponds to each boss 60 of the first cover 30,
Their cylindrical bearing-like inner surface 94 also defines a transversely extending axis. Each hook 90 is configured to be inserted under each boss 60 during assembly, and during assembly, the second cover 80 is in a state substantially perpendicular to the second cover 80. The first cover 30 is operated to protrude outward from the first cover 30, and the first cover 30 is
As shown, a gap is provided below the boss 60 so that the hook 90 is insertably received thereunder. Central boss 6 of first cover 30
4 is placed between the plurality of bosses 60, and the second cover 8
a rigid support for the central portion of the second cover 80 when the inwardly facing surface 6B of the central boss 64 engages the support surface 96 within the central quadrant 98 along the rear end 86 of the second cover 80; , whereby the central boss 64 forces the central portions of the first and second covers 30.80 to separate upon tightening engagement with the cable row 28 at the aperture 50. prevent the

Referring to FIGS. 5A and 5B, the first cover 30 includes:
The cables 22 are secured to the connector module 20, preferably in the manner described below, and the cables 22 are tightly clustered together into a flat cable row 28 near the aperture 50. Each hook 90 of the second cover 80 is inserted under each boss 60 and the body section 82 is held substantially perpendicular to the first cover 30. The cable side 100 of the second cover 80 includes a clamping surface portion 102 that engages and cams portions of the cable row 28 so that the clamping surface portion 102 can cover 8
0 is rotated about a transverse axis set by boss 60, deflecting it (cable row 28) into opening 50. The body section 82 of the second cover defines a lever arm of sufficient length to facilitate manual rotation to overcome the resistance to deflection by the cable row 28. The surface portion 102 is tightened by the second cover 80
When fully rotated, a portion of each cable 22 is held firmly in abutment against the front and rear tapered surface portions 52,54 of the aperture 50.

As shown in FIG. 5B, the second cover 80 is secured to the first cover 30 upon complete rotation by fastening means, which may e.g. A pair of hook members 68 on a plurality of walls 44 along
It is preferable that The hook member 68 has a hook surface 70 (fifth A) facing away from the second cover 80.
) and having respective recesses 10B along the plurality of lateral side walls 88 of the second cover 80.
Engages with 04.

To facilitate hooking, the second cover 80 has a flat body area 82 along the side wall 88 near the front end 84.
Preferably, a plurality of elongated release apertures 108 are provided which prevent portions 110 of side wall 88 from being deflected into the release apertures 108 during hooking onto hook member 68. After this, the deflected wall portion 110 returns to its original position such that the hooking surface 104 hooks under the hooking surface 70 of the hooking member 68. It is believed that the second cover 80 does not need to tightly engage the cable 22 near the forward end 84 after hooking. If a tension force were to be applied to the cable, the tension force would tend to further rotate the second cover 80 about the boss 60, thus securing the second cover 80 relative to the first cover 30. It is believed that there is a tendency to assist in doing so. The rear section 36 of the first cover 30 includes an extension portion 72 having a plurality of laterally extending recesses 74 and thus a plurality of connectors.
When the modules 20 are assembled together and their cable rows are bundled together, the cable binding member 76
(Fig. 8) to facilitate fixation. If the arrangement of cable bundling relative to the extension 72 is used advantageously, the cable may be a three-lead cable having several separate conductor wires within one outer jacket. (not shown), and in this case, the cable binding member 76 and the tightening member are connected to the opening 50.
The outer jacket can be removed and the three conductor wires can be separately clamped within the openings 50.

In FIG. 6, the first cover 30 is attached to the connector module 2.
A preferred means for tightening to zero is shown. 1st
and second flanges 120, 122 project laterally outwardly from each side wall 44 at the forward end 46 (FIG. 4). The flanges 120, 122 include pin-receiving openings 124, 128, respectively, which extend inwardly from their sides for double pultrusion, and the overlapping openings extend axially through them. It reaches the bottom to receive the pin. Flange opening 124
, 126 is aligned with a pin-receiving hole 128 that extends from cable face 26 into module 20 . Each metal fastening clip 1
30 has an elongate body section 132, a transversely extending front section 134, and a rear section 136. The rear section 13B includes a first transverse section 138 for extending after the first flange 120 and a short axial section 140 for extending along the side of the second flange 122.
a second flange for extending along the rear surface of the second flange 122;
a transverse section 142. Transverse area 13
Holes 144 pass through the flange openings 124, 12[i and the module holes 1
28. Clip front section 134 also includes a hole 14B that is slightly smaller in diameter than module hole 128.

The module 20 includes a slot 148 that extends transversely from the side surface 150 into the module 20 and intersects the module hole 12B, and the slot 148 is connected to the smaller diameter clip hole 146. is module hole 1
clip front section 13 in axial alignment with 211
4 is received from the side surface 150 into the narrow groove 14g. The module side 150 includes a groove 152 extending rearwardly from the slot 14111 along which the clip body section 132 will be disposed.

The module bore 128 is shown to be in axial communication with a larger front cavity 154, which is not related to the fastening means, but is shown in patent application serial number box 042,495 as described above. (AMP Case No. 139)
No. 81), it is used in conjunction with the retention of key members of a module. Module rear 156
is shown adhesively secured to a main module housing portion 158 of module 20, which attaches a terminal retaining clip (not shown) to the diameter of the terminal passageway. Used for fixation within the larger rear. A slot 148 is located within the main module housing section 15g so that the clamping clip 130 relays the stress on the cable to the main module housing section 158.

A plurality of pins 160 connect the first cover 30 to the module 20.
To secure using the clip 130, it can be inserted through all aligned holes and openings at each fastening position. The pin 160 is the long shaft 1B
2 and an enlarged rear head 16 for gripping it.
4 and a forward facing stop shoulder 1 near the rear head 164
6B and an enlarged front end 168 defining a rearward facing stop shoulder 170. The stopper shoulder 170 is arranged as follows. That is,
During assembly, the rear stop shoulder 186
The stop shoulder 170 is arranged to be axially forward of the clip front section 134 when located axially rearward of the clip section 142 .

Enlarged front end 168 includes rear clip holes 144, flange openings 124, 126, and module holes 1
28, but larger than the diameter of front clip hole 14G. The enlarged front end 1GB is bifurcated by a slot 172 extending into it from the front, the slot 172 forming a pair of ends 174, the ends 174 having a diameter of The front end 16g can be deflected toward each other to pass through the smaller front clip hole 14B, and the front end 16g has an angled periphery that includes a guiding guide 17B, thereby allowing the front clip hole 146 to pass through the smaller front clip hole 146. facilitates inward deflection of end portion 174 by the sides of. As the end 174 passes through the hole 14G, it enters the front 178 of the module hole 128 and stops at the stop shoulder 17.
0 returns to its original position when it comes to be located in front of the clip front section 134 and therefore constitutes a stop means, which stops the pin 160 from moving axially rearward. , and secures the end 174 itself to the module 20, so that the first
Cover 30 is secured to module 20. Also,
To facilitate disassembly, the rearward facing stop surface 170 on the enlarged forward end 168 is preferably slightly tapered.

Said fastening structure creates a resistive force that exerts a force perpendicular to the plane of the body area 32 of the first cover 30, which resistive force tends to create a torque on the first cover 30 with respect to the module 20. The outer cover surface 4
The force applied relative to 0 is the force applied to the flange 120
, 122 with axial clipping areas 132 , 14
At the same time, the force applied in the opposite direction causes the bottom of the openings 124 and 128 to engage the pins 160 and 160 respectively.
to engage the shaft 1B2 of.

7 and 8, another embodiment of a tension relief assembly is shown, which includes a first member 180 and a second member 1g2. are doing. The first member 180 is similar to the first cover 30 of FIG. 4 and can be secured to the connector module in the same manner as the first cover 30 is secured.

The first member 180 has a cable-receiving aperture 184 near a rear end 186 that allows the row of cables to pass through the aperture from a front side 190 to a rear side 190 of the aperture. It extends laterally between a plurality of lateral sides 188 with sufficient dimensions to receive it. The second member 182 includes an elongated clamping boss 192, which clamping boss 192
94 and is dimensioned to be received within opening 184. The tightening boss 192 has an axial dimension selected to be approximately two cable diameters smaller than the axial dimension of the aperture 184. This is because the tightening boss 192 deflects the cable portions 194 into the opening 184 when the second member 182 is urged against the plurality of cable portions 194 during assembly. Connect the cable portion 194) to the front and back sides 19 of the opening 184.
This is for the purpose of tightening firmly against zero.

The second member 182 is attached to each lateral side 188 of the opening 184.
It can be fixed to the first member 180 by means of a hook shelf 196 provided along the hook shelf 19.
6, upon complete insertion of the cable portion 194 into the opening 184, the tightening of the second member 1g2 is hooked into the hook portion 198 after the boss 192 when tightening the cable portion 194 into the opening 184. sit in a state. Each hook shelf 196 is tightened into the opening 184 by a boss 192.
can be placed on an opening wall portion thin enough to be deflected outwardly upon insertion of the hook ledge 196, or, more preferably, a rounded wall portion over which the hook ledge 196 passes. Due to the preceding edge, similar to Boss 192,
The first member 180 may be temporarily flattened, in which case the first member 180 is preferably molded of a plastics material having sufficient elasticity, and the hook shelf 196 is sufficiently elastic to withstand such elastic deformation. given smaller dimensions.

The second member 182 may even include only the fastening bolts as shown in FIG.
The clamping can have a boss 192A, the second clamping boss 192A being opposite from the boss 192 and accommodating a cable of a different diameter while maintaining the same transverse dimension as the boss 192, and yet An axial dimension is provided to form a hook recess between bosses 192A and 192.

It goes without saying that various changes and replacements can be made to the above embodiments.

BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 and 2 are schematic and perspective views of a wire integration system that can be used with the present invention. FIG. 3 is a perspective view of a mated plug and receptacle type connector for use on the wire legalization panel of the system of FIGS. 1 and 2; FIG. FIG. 4 is an exploded perspective view of a first embodiment of the tension relief assembly of the present invention. 5A and 5B are longitudinal cross-sectional views of the strain relief assembly of FIG. 4 in an open position and a cable tightening closed position, respectively. FIG. 6 is an enlarged longitudinal cross-sectional view of one set of clamping clips and pins securing the strain relief cover to the connector. FIG. 7 is an exploded perspective view of a second embodiment of the invention. FIG. 8 is an enlarged sectional view of the main part of the embodiment of FIG. 7, with the second cover disassembled from the first cover. 10... Receptacle type connector 14... Wire wrapping is on the surface 16... Terminal 18
. . . Wire winding is carried out on the support column 20 . . . Connector module 22 . . . Cable 24 . . Terminal receiving passage 26 . . . Cable surface 28 . ...Body area 34...Front area 3
6... Rear area 38... Cable side 40... Outer surface 42
...Side side 44...Side wall 46...
・Front end portion 48...transition area 50...
Cable receiving opening 52.54...Surface portion 5B.
...Front side 58...Rear side 60...Boss 62...Bearing surface portion 64...
Central boss 68...Hook member 70...
・Hooking surface 72...Extension part 74...
4. Part 76...Cable binding member 80...Second tension release cover 82...Body area 86...Rear end portion 90...Hook 94...Bearing-shaped inner surface 100... Cable sides 102...Tightening is done by surface portions 108...Release openings 120, 122...Flanges 124, 126...Pin receiving openings 180...Tightening clips 134...Front area 138... ...Transverse section 142...Transverse section 14B...Bore 150...Side surface 154...Front cavity 15B...Module rear part 158...Main module housing part ■60.
...Bin 1B2...Long shaft 10
4...Hook surface 110...Wall portion 84...Front end 88...Side Wall 92...Outer surface 96...Support surface 132...Body area 13B...Rear area 140... ... Axial section 144 ... Hole 148 ... Thin groove 152 ... Groove 164 ... Rear head tea, 170 ... Stopper shoulder 168 ... Front end 172 ... Thin groove 174 ... ·end
Part 178... Front part 180... First member 182... Second member 184... Cable receiving opening 186... Rear end part 188... Side part
190... Front and rear sides 192, 192A...
・Tighten with boss 194...cable part 19B...
Hook shelf 198...4 hooks 200...
...Wire integrated system 202...Wire integrated panel 204...Black box 206, 208...Cable 210...Plug connector 212...In-flight system 21B...Support structure 218... Conductive wire 220... Receptacle type connector 222... Plug type connector 224... Support protector 22B... Cover plate

Claims (21)

[Claims] (1) a strain relief assembly for relieving tension on a row of conductive cables projecting from an electrical connector, the strain relief assembly comprising at least the first of the rows of conductive cables projecting rearwardly from the cable face of the connector; a first cover means projecting rearwardly from the cable face along a major side, the first cover means having a front end, a rear end, and lateral sides; cable side,
an outer surface opposed therefrom, the cable strain relief assembly being secured to the first cover means proximate the forward end for securing the first cover means to the connector. and a second
and a cover means, the second cover means comprising the first cover means.
disposed along a second major side of said cable row opposed from two major sides, and having a forward end, a rearward end, a plurality of lateral sides, a cable side, and a forward end; and wherein the second cover means is secured to the first securing means of the first covering means near the rear end of the first covering means by a second securing means. and means along said cable side of said second covering means for engaging said cable row along said second major side of said second covering means and a cable tension force configured to tighten the cable row into abutment against the cable side of the first cover means when the row is fixed to the first cover means; Release assembly. (2) the first fixing means of the first cover means comprises pivot means along the cable side near the rear end of the first cover means; 2. The securing means comprises hook means proximate said rear end and said hook means interlocks with said pivot means in securing said second cover means to said first cover means. and pivotable about the pivot means in bearing-like engagement with the pivot means, the second cover means gripping a clamping surface portion on the cable side. and the clamping surface portion is cammed to engage the cable row disposed between the first and second cover means upon securing of the first and second cover means to each other. wherein said cable row is pivoted from a first position in which said second cover means does not engage said cable row to a second position in which said second cover means engages said cable row in a clamping condition; 2. The first cover means is clamped by said clamping surface portion against a cable engaging portion of a cable side of said first cover means disposed substantially opposite from said clamping surface portion.
Cable strain relief assembly as described. (3) the pivot means includes a pair of bosses spaced apart from each other near the lateral sides of the first cover means and on opposite sides of the cable row;
The bosses also have bearing-like outer surface portions that are generally cylindrical about a common axis, and these bearing-like outer surface portions face toward at least said outer surface of said first cover means. and said hook means comprises a pair of hooks similarly spaced apart from each other near said lateral sides of said second cover means; the hooks have substantially cylindrical bearing-like inner surface portions about a common axis, and the hooks are C-shaped opening towards said outer surface of said second cover means. The first cover means is inserted from the front of the bosses under each boss and partially around each boss when fixing the second cover means to the first cover means. 3. The cable strain relief assembly of claim 2, wherein the cable strain relief assembly is configured to receive the free end of the hook. (4) The state in which the first and second cover means are tightened when the second cover means is rotated toward the second position and tightens the cable row to the first cover means. 3. A cable strain relief assembly according to claim 2, further comprising fastening means disposed proximate said respective front ends of said first and second cover means for securing said first and second cover means to said first and second cover means. Three-dimensional. (5) the fastening means comprises a pair of integral hook members on one of the first and second cover means, the hook members being on one of the first and second cover means;
disposed proximate the front end of one of the covering means and along each lateral side of said one;
Cable strain relief according to claim 4, and wherein said hooking member is adapted to hook onto a corresponding hooking surface means on the other of said first and second cover means. Assembly for. (6) the hooking surface means is disposed on a deflectable wall portion along each lateral side of the other of the first and second cover means, the deflectable wall The portion is configured such that when the first and second cover means are fastened to each other, the hook member is attached to the first and second cover means.
characterized in that when biased through the release opening of said other of the cover means, it is capable of being deflected inwardly into said release opening by said hooking member. A cable strain relief assembly according to claim 5. (7) the first cover means includes a rigid support means located approximately centrally between the plurality of bosses and extending outwardly from the cable side and then forwardly; thereby being engaged by corresponding bearing means of said second cover means to the lower part of said central boss;
This central boss abuts firmly centrally against the bearing means, so that the central portion of the clamping surface portion and the corresponding plurality of mutually opposed cable engagement portions are
4. The cable tension relief assembly of claim 3, wherein the cable tension relief assembly is maintained in a clamping engagement with the cable row at the central location. (8) The cable engaging portion of the first cover means:
a plurality of surface portions of the cable sides extending transversely through the first cover means near the rear end of the first cover means; proximally and these surface portions are disposed opposite from the clamping surface portion of the second cover means, the cable receiving opening proximate the rear end of the first cover means for at least the cable. having a transverse dimension equal to the width of the column, said plurality of adjacent surface portions are tapered, and therefore:
When the second cover means is rotated from the first position to the second position, the clamping surface portion of the second cover means engages the engaged portion of the cable of the cable row. and deflecting the engaged portion of the cable into the cable receiving opening;
3. A cable strain relief assembly as claimed in claim 2, characterized in that said first cover means is firmly abutted against said cable engaging adjacent surface portion. (9) the rear end of the first cover means is narrower than the front end of the first cover means, and the first cover means includes a transition area between the rear end and the front end;
The first cover means therefore receives the cables in the rows of cables spaced apart from each other on the cable face of the connector and collects the cables in close proximity to each other in the transition zone; According to
2. A cable strain relief assembly as claimed in claim 1, further comprising: facilitating tightening of said cable row near said rear end of said first cover means. (10) the first cover means is engaged by a cable tying means near the rear end to facilitate tying the cable row to an adjacent cable row of an adjacent connector; A cable strain relief assembly according to claim 1, further comprising means. 11. The cable strain relief assembly of claim 1, wherein the first cover means includes a plurality of side walls along the plurality of lateral sides of the first cover means. . (12) the connector fastening means includes flange means of the first cover means along each lateral side of the first cover means at the front end of the first cover means; 12. A flange means as claimed in claim 11, including a clip associated with each of the flange means, each clip having a section adapted to be secured to the connector and to each of the flange means. cable tension relief assembly. (13) The connector fastening means further includes a pair of pins, each pin being associated with the flange means and the clip means, each pin being associated with the flange means, each clip area, and the connector. insertable into, and subsequently secured to, respective aligned holes of said respective flange means such that said respective pins prevent rearward movement of said first cover means from said connector. 13. The cable strain relief assembly of claim 12, further comprising an enlarged head rearwardly from the cable. (14) each pin has a bifurcated and enlarged leading end having a rearwardly facing stop surface;
When the leading end is inserted into the first hole portion, the plurality of bifurcated pin portions can be deflected toward each other by the first hole portion having a small diameter. and the stopper surface is configured to reduce the diameter of the first hole when the bifurcated portion of the deflected pin returns within the second, larger diameter hole portion. 14. The cable strain relief assembly of claim 13, wherein the cable tension relief assembly is configured to detentively engage a corresponding stop surface formed between the section and the second hole section. (15) each of the clip sections capable of securing the connector has a free end having a hole therethrough, the hole having a smaller diameter than the leading end of the pin; , the connector includes a pin-receiving hole, the pin-receiving hole extending forwardly from the cable face and having a larger diameter than the leading end of the pin; a slot extending transversely from the side to intersect the slot, the slot extending transversely from the side so that the smaller clip area hole is aligned with the larger pin receiving hole. configured to receive a transverse free end of the clip therein, so that the leading end of the pin is passed through each hole of the flange means, the flange securing clip section and the connector; and through a smaller hole in the clip area;
Further, upon insertion into a portion of the pin receiving hole forward of the slot, the pin secures the clip means and flange means to the connector, thereby securing the clip means and flange means to the connector.
15. A cable strain relief assembly as claimed in claim 14, characterized in that cover means is secured to said connector. (16) each said flange means comprises front and rear flanges spaced apart from each other, and each said flange fixing clip section has a front transverse portion for extending from a first side between said front and rear flanges; , an axial portion extending axially along an opposite second side of the rear flange, and a transverse free end portion extending along a rear surface of the rear flange; Therefore, the flange fixing clip area and the front and rear flanges increase the resistance of the first cover means to forces applied from the outer surface or side of the cable after being fastened to the connector. Claim 15 characterized in that:
Cable strain relief assembly as described. (17) the first cover means includes a cable receiving aperture extending therethrough and transversely, the cable receiving aperture being proximate to the rear end and at least in the cable receiving aperture; said first fastening means having a transverse dimension equal to the width of said cable row, and said first securing means being disposed along each lateral side of said cable receiving opening, said fastening means of said second cover means having a fastening boss. and the tightening boss has a transverse dimension slightly smaller than a transverse dimension of the cable receiving opening;
and having a short axial dimension, the second fastening means of the second cover means being disposed along each lateral side of the fastening boss, and the transverse cable receiving apertures having a short axial dimension. having an axial dimension slightly greater than the sum of the short axial dimension of the clamping boss of the means and twice the diameter of the cables in the cable row, such that the clamping boss is the tightening boss engages the cable row in the cable receiving opening in the direction and when the second cover means is biased towards the first cover means and abuts the cable row. The engaged portion of the cable in the cable row is deflected into the cable receiving opening and firmly abuts the front and rear sides of the cable receiving opening, and the first and second fastening means are engaged with each other. 2. The clamping boss of claim 1, wherein the clamping boss is received within the cable receiving opening to clamp the cable by securing the second cover means to the first cover means. Cable tension relief assembly. (18) The second fixing means includes a hooking recess in each lateral side portion of the tightening boss, each hooking recess having a stopper surface facing outward, and
The securing means comprises a hook shelf on each lateral side of said cable receiving opening, said hook shelf being able to cooperate with said respective hooking recess, and said first cover means comprising a hook shelf on each lateral side of said cable receiving opening; The lateral sides are configured to be compliant, and the compliant lateral sides of the cable-receiving opening cause the leading end of the tightening boss to 18. The cable strain relief assembly of claim 17, wherein the cable tension relief assembly is adapted to allow climbing over the hook shelf. (19) the first cover means is molded from a sufficiently elastic material such that the leading portion of the tightening boss can ride over the hook shelf;
19. The cable strain relief assembly of claim 18, wherein the hook shelf is adapted to be temporarily deflected laterally outwardly. 20. The cable strain relief assembly of claim 18, wherein said second cover means includes said tightening boss. (21) the second cover means includes a second tightening boss;
The second tightening boss projects outwardly from the outer surface;
and has a transverse dimension equal to the transverse dimension of the first tightening boss, and forms the hooking recess between the first tightening boss and the second tightening boss, and the second tightening boss has a transverse dimension equal to the transverse dimension of the first tightening boss. selectively has a shorter axial dimension different from the axial dimension of the tightening boss, and therefore
The second clamping boss is arranged to guide cables with different dimensions into the transverse cable receiving opening when the short axial dimension of the second clamping boss is selected appropriately for cables with different diameters. Claim 20 characterized in that a tightening boss is formed that can be tightened.
Cable strain relief assembly as described.