Abstract: A cable holder being attachable through a hole of a box plate of a panel board box, using a mounting body into which an insertable resilient member can be slid. The insertable member also is provided with an axial through hole in which a cable is inserted. The insertable member, holding the cable through the hole, is inserted into the hollow cylinder of the body and clamped around the body to thereby hold the cable in the cable holder.

Abstract: This disclosure depicts a novel cable clamp for use with a non-metallic electrical outlet box having rectangular apertures in the walls thereof and for securing a non-metallic sheathed electrical cable to the electrical outlet box. The cable clamp comprises a substantially U-shaped base which is slightly larger than the rectangular aperture in the wall of the electrical outlet box and first and second claw members attached on opposite sides of the base for securing the electrical cable after the cable clamp is positioned on the electrical cable and one of the claw members is inserted through the rectangular aperture in the wall of the electrical outlet box. The cable clamp securely holds the cable in position when either pushing or pulling tension is applied to the cable.

Abstract: A grommet for relieving tension or strain when securing a cable in an aperture comprising two generally circular in cross section, tubular rotatably and coaxially disposed telescoping clamping members with the inner cross section of the outer member deviating from the circular cross section and with the inner member being slotted at one of its ends, in an axial direction over part of its length to form clamping jaws having rising or tapering projections thereon disposed within said outer member and which cause the clamping jaws to engage and lock the cable when the members are rotated relative to each other.

Abstract: This disclosure depicts a novel apparatus for securing an electrical cable in an electrical outlet box having one or more openings in the walls or bottom of the electrical outlet box. In particular, this apparatus, a cable locking device, comprises: a base portion; a flexing member having a first end of the flexing member attached to a first end of the base, the flexing member also having an aperture for receiving an electrical cable; a locking section attached to a second end of the flexing member; a cable engaging portion extending from the locking section towards the base; and a cable contact section on a second end of the base. The cable locking device fits into the opening in the electrical outlet box and locks the electrical cable into position.

Abstract: A cable bushing including a frame portion, and a filler portion connected to the frame portion, the filler portion being movable between a first position in which the filler portion is remote from the interior of the frame portion and a second position in which the filler portion is disposed substantially within the frame portion, the frame portion being adapted to occupy an opening in a partition structure and being further adapted to receive a cable therethrough.

Abstract: A pilot burner assembly comprises a pilot burner, a flame responsive means, and an electrode, all attached in close relationship to a common mounting bracket. The electrode is frictionally attached co-axially with an insulating sleeve and the sleeve is frictionally attached to the mounting bracket so that the spark gap between the tip of the electrode and a portion of the pilot burner is adjustable without having to bend the electrode.

Abstract: An A.C. power line assembly is provided comprising an A.C. line cord with a strain relief bushing molded together with the cord insulation. The bushing provides strain relief for the power cord and contains slots for mounting the assembly in the home instrument. A first locking tab on the bushing secures the assembly in place in the instrument. That part of the bushing which extends into the chassis has an irregular shape and a second locking tab so as to fixedly retain an insulator collar about the cord. The insulator sleeve supports a line choke assembly, which is connected to the line cord. Locking tabs on the insulator sleeve secure a fuse board assembly to the power line assembly, which also acts to hold the line choke assembly in place.

Abstract: A strain relief device comprises a bushing for being mounted for rotation in a hole in a support member. The bushing has a flange at one end that prevents it from sliding through the hole and it has an axial internally threaded bore. A collet that has an axial bore, and external thread at one end and a tapered or conical portion contiguous with the thread screws into the bushing thread from the side of the support member opposite from the flange on the bushing. As the threaded end of the collet advances it causes the conical portion to wedge in the hole and be pressed radially inwardly for gripping a cable which has been passed through the collet and bushing.

Abstract: A connector for connecting non-metallic sheathed cable of both the round and oval types to electrical boxes in which the connector is of all plastic, one piece construction, free of clamps and screwing, and comprises a ring shaped segmented body defining a collet like cable gripping portion comprising a plurality of pairs of opposed resilient jaws in which the jaws each comprise a finger having a split base portion projecting from one end of the body and a jaw head directed laterally of and toward the body axis such that the jaw heads are grouped together, collet fashion, in spaced apart relation. The collet jaws are shaped to integrally connect together the body segments for reducing the diameter of the body for application purposes, and the jaws are formed for snap fit mounting of the connector in a knock-out opening of the box, they being arranged to be sprung apart to accept and pass the end of a cable being thrust through the connector for reception in the box.

Abstract: The strain relief grommet has internally located intermittent clamping teeth and when the grommet is located around a cord set and then lodged in a notch in a frame of a motor, teeth pierce the outer jacket of the cord and engage the internal insulation wrappings around the lead wires. This prevents removal or loosening of the cord from its internal connection in the event the cord set is pulled from outside of the motor.

Abstract: A split ring grommet for use in routing electrical cables, and the like, through aircraft bulkheads is disclosed. The grommet has a flange which is formed at one end thereof and tabs on its outer surface. The grommet is designed so that when it is inserted into the hole in a bulkhead the tab and flange engage the edge of the bulkhead which forms the periphery of the hole. A clamp is provided for securing the opposing faces of the split ring grommet. The clamp slips over the non-flanged end of the grommet and has locking members which fit into slots in the grommet on either side of the opposing faces. The tabs and locking members are spring biased so as to insure a tight fit between the grommet and the bulkhead. Electrical cables, hydraulic tubing and the like are secured by straps which engage both the cables and the grommet.

Abstract: A one piece fairlead grommet for protecting an aircraft control cable where penetrating a bulkhead or cable support panel. The fairlead grommet has a generally cylindrical body with frustro conically shaped flanges and a through-slot, generally, longitudinally oriented. The slot forms an angle with a radius line drawn from the center of the grommet bore to permit the slot surfaces to be readily offset and the grommet collapsed around the control cable for installation with the control cable in place. The slot is further biased on a diagonal with respect to the horizontal axis of the grommet bore to ensure a wearing surface in contact with the cable at the slot.

Abstract: An insertable connection lead-in plug member designed to close an opening while providing an access opening for wire or cable, or for a tang-shaped connector such as a plug. The plug member is externally cylindrical and hollow forming a cylindrical sealing ring which is closed on one axial end face. The external periphery is axially stepped from the one end from a larger to a smaller diameter and is thereafter conically tapered to a second axial end.

Abstract: A molded, elastomeric strain relief 11 fits into an opening 36 in a housing 43 having an edge 37 and an edge of a wall portion 42 spaced apart by a distance less than the distance between outer edges of shoulders 17 and 18. A central portion 14 of the strain relief substantially fills the opening. An entrance end 13 with a beveled surface 27 on the same side as the shoulder 18 tapers toward the opposite side from which extends a projection 23 with a shoulder 24. The latter shoulder and the shoulder 17 grasp a barrier 56, one wall of which is the wall portion 42, and the shoulder 18 and another shoulder 28 grasp the opposite edge 37 of the opening to hold the strain relief firmly in place. Side recesses 31, 32 include shoulders against which pressure can be directed to deform the elastomeric material enough to get the shoulder 18 into the opening. Once sufficiently in, the strain relief pivots to engage the shoulder 24 behind the barrier 56.

Abstract: A cable or elongated member connector is disclosed as comprising a pair of legs interconnected by a bite portion having an aperture therein for receiving a cable therethrough. At the unattached end of each leg, there is disposed a foot for engaging the inner periphery of the aperture and a shielding member. A detent is disposed upon the inner surface of each leg between the foot and the bite portion, for engaging the outer peripheral surface of the cable to retain the cable to the connector. When the connector's feet are disposed to engage the panel aperture, the shielding members are disposed about the cable to form a shield over the panel aperture to prevent the introduction of extraneous material within the panel.

Abstract: A wire holder for holding a bundle of wires having a base, a rim integrally bound to the base, and a plurality of overlapping elastic members mounted in the rim for receiving and holding the bundle of wires.

Abstract: A clip for fixing an end of an electric cable to a support panel, comprises a hollow, tubular body portion and a clamping portion to be introduced into one end of the body portion. A screw passes through the panel, through an opening in the opposite end of the body portion and is threaded in the clamping portion. When the screw is tightened, it draws the clamping portion into the body portion to clamp the cable between an inclined surface of the body portion on a surface of the clamping portion, and also the screw secures the clip to the panel. This surface of the clamping portion is provided with a V-section groove so as to be effective in clamping cables of different diameters.

Abstract: Electrical bushing and cable clamp device for non-metallic sheathed cable. The clamp device has a body member with passageway for cable and clamping members selectively insertable in the passageway for clamping a variety of cable sizes. Clamping members are tethered to the body member by flexible and resilient tether strips which bias the clamping members when inserted into the passageway.The bushing and cable clamp device provides for insertion of a cable in the device either prior to or subsequent to installation of the device in an electrical wiring box and for facile repositioning of a cable clamped in the device without the need for tools.

Abstract: A feedthrough device is provided for sealing a supply line as it passes through an aperture in a wall member such, for example, as the housing of electrical apparatus. The device, which is generally tubular, comprises a first member which is radially inwardly deformable and can be pushed through the aperture and a second member which can telescopically engage the first member so as to co-operate with it to clamp against the wall member and provide a seal whilst at the same time preventing radial inward deformation of the first member. A recoverable sleeve member, which may be provided on, or be integral with, either of the first or second members engages the supply line to effect a seal therewith.

Abstract: A grommet has a central opening and a peripheral groove defining spaced first and second peripheral lips, the opening aligned with the first peripheral lip is of increased width so that the lip may flex inwardly to allow insertion over a cell terminal post after assembly. The first peripheral lip has an inclined surface which cooperates with an inclined surface on the cell casing to facilitate insertion of the grommet. An electric cell including such a grommet is also disclosed.

Abstract: A strain relief bushing having camming strain relief means for grasping a cord located therein. The strain relief bushing may be rotatably engaged and disengaged. It may be applied to existing cord, located in an aperture for later cord application or applied contemporaneously therewith.

Abstract: A retainer for retaining a corrugated conduit in a wall opening comprising a pair of rings provided by formation of a spring wire or a slit annular part wherein the retainer is insertable into the end of the conduit and is contracted with contraction of the conduit by an externally applied force to permit insertion of the conduit in the opening and then on release of the contracting force the retainer expands and holds two of the conduit corrugations outward of the opening on opposite sides of the wall to prevent pull-out or push-in of the conduit while also retaining an intermediately located corrugation of the conduit in sealing contact with the surface of the opening.

Abstract: An electrical cable connector for use in a knockout opening of an electrical box or the like includes a cam element with a slot therein arranged to receive the tip of a screwdriver transverse of its rotational axis so as to permit the application of a significant torque on the cam with a minimal force to thereby securely wedge the cable in the connector body and prevent its removal. This connector features a tubular body with an enlarged inner end to permit its installation into a knockout opening from the inside of the box, an integrally molded pressure pad opposite the cam element to permit the connector to accommodate several sizes of cable, and snap locks designed to defeatably hold the cam element selectively either in its open or its locked positions.

Abstract: The drawing illustrates a strain relief bushing adapted for retaining a pair of wire leads in place in a predetermined rectangular opening formed in a panel wall. The bushing includes retention means located adjacent each side of the panel wall once the bushing is installed, for preventing removal of the bushing therefrom. The installed bushing also includes abutment means for flexing the bushing to tightly grip the wire leads disposed therethrough.

Abstract: A transition sleeve for a double wall structure such as a refrigerator cabinet used to pass tubing or the like through juxtaposed apertures formed therein. The sleeve includes a unitary tubular body of relatively rigid material having a plurality of radially extending integral locking tabs at one end thereof for securing to one of the refrigerator walls through a complementary apertured opening. The tabs have camming faces formed thereon to facilitate rotation about the opening after being inserted therethrough. On a radially extending plane offset from the locking tabs are a plurality of equiangularly disposed stop pads which positively locate the rotational position of the sleeve on the wall. The longitudinal ends of the body include annular flanges which are flared outwardly to sealingly engage the walls perimetrically of the apertures on the cavity side thereof. The tubing is sealed to the core of the sleeve by the use of gum or the like.

Abstract: A hollow generally cylindrical member is provided as a central support means for the clockwork of watches or clocks. The member has an outwardly extending annular flange portion against which may be abutted such clockwork elements as a dial carrier and a mechanism housing in superposed relation. The cylindrical member comprises, at the end thereof opposite the flange, a plurality of resiliently supported latch portions which are formed by providing U-shaped recesses extending axially inwardly from said other end of the bushing, with the result that each latch portion can be flexed radially inwardly since the bushing is preferably formed of a generally elastic material.

Abstract: A sheath cable connector for Romex type non-metallic sheathed cable includes a bushing portion and cable gripping portion, the latter being of the hose clamp type, but arranged so that spring deflection of one gripping member during clamping is maintained by predominantly tensile reactive forces in the other gripping member to thereby establish a latching engagement between the two gripping members that is relatively positive although readily releasable. The cable is gripped at three axially or longitudinally spaced points in a manner that provides a resilient clamping action. As the tightness of clamping is increased, the tightness of latching engagement between the clamping members also tends to increase.

Abstract: A sealing grommet is utilized to form a seal for articles such as electrical wires passing through the outer case of a refrigerator cabinet, the insulation, particularly foam insulation, between the outer case and the inner liner of the cabinet, and the inner liner. The grommet includes a substantially cylindrically shaped hollow body of a relatively rigid material disposed between the inner liner and the outer wall with a core of a relatively soft material supported by the inner surface of the body and secured thereto by glue, for example. Each of the body and the core is split longitudinally to receive the electrical wires with the core having a central longitudinal passage extending therethrough for an interference fit with the electrical wires. An integral mounting flange and a plurality of spaced locking lugs cooperate to mount the body on the inner liner.

Abstract: A cable grommet with tension or strain relief for the securement of cables in the aperture of a housing comprising two tubularly shaped and coaxially telescoped clamping portions being twistable towards each other, and the inner cross section of the outer portion, which is to be inserted into the aperture of the housing, deviates from the concentric circular cross section and the inner portion being coaxially inserted into the outer portion is divided, on one of its ends, by slots extending in axial direction over part of its length to form clamping jaws which on the outer side thereof, at least partly, are provided with circumferentially extending rising or tapering projections sliding on the inner wall of said outer portion and which when the two portions are twisted towards each other press the clamping jaws against the cable guided in said inner portion.

Abstract: A unitary transition sleeve for a double-wall structure such as a refrigerator cabinet used to pass tubing or the like through juxtaposed apertures formed therein. The sleeve includes a tubular body of relatively rigid material having a plurality of radially extending integral flanges formed at each end therof for sealing engagement with each of said walls. The sleeve is adapted to be rotationally secured to one of said walls by means of a plurality of radially exending integral locking tabs projecting from one end thereof. Each of the tabs have a camming face formed thereon to facilitate rotation during assembly. The sleeve includes a plurality of equi-angularly disposed and radially extending detents which positively locate the rotational position of the sleeve in the wall to which it is secured.

Abstract: The snap-in mounting means includes a snap-in grommet carried on the shank of a bushing which extends from a switch frame mounted on a switch base of an electrical toggle switch assembly and pivotally supports a toggle lever for actuating switch contacts housed in the switch base. The snap-in grommet includes a radially yieldable sleeve slidably mounted on the lower end portion of the bushing shank, a tapered locking collar carried on the outer end of the sleeve and having a radially extending shoulder which engages the front of the panel around the panel mounting hole, after the collar has been squeezed through the hole during mounting, and a pair of opposed resilient back-up elements which are biased against the back of the panel to keep the locking collar shoulder in tight engagement with the front side of the panel. The bushing is pulled back after the locking collar has been squeezed through the panel mounting hole.

Abstract: The invention relates to a cable grommet with a traction relief particularly for guiding a cable through the opening of an apparatus wall or the like comprising a funnel body having a thoroughfare for said cable, shoulders extending into said opening of said apparatus wall, a setscrew arranged within said funnel body under an angle relative to the axis of the thoroughfare reacting via an intermediate piece upon said cable, wherein a shoulder is provided which is connected with said funnel body and extends from the side of said setscrew into said opening and a further shoulder is provided which is connected with said funnel body and supports said cable on the other side of said opening.

Abstract: A high density polyethylene molding frames an opening in a casting through which hydraulic hoses must pass to protect the hoses from abrasion in contacting the edges and sides of the casting opening. The molding is flexible and resilient to enable it to be snapped in and out of the opening in the casting while providing a generally frictionless surface against which the hoses may be guided in their normal movement through the opening under operating conditions.

Abstract: A wire guide bushing includes a thin-walled nylon tube which is outwardly flared at its proximal end, the border of the flared portion being folded forwardly to overly the flared portion outer face and form a double thickness wall. The tube is peripherally outwardly bulged shortly forwardly of the flared portion and the bushing is applied merely by inserting the bushing in a panel opening and forcing it past the bulge to embrace the opening border between the peripheral bulge and flared portion. In producing the guide bushing the tube is partially nested in a well in a block with the flared portion outermost and a tool with a cylindrical shank and an enlarged head with a concave underface is inserted in the tube and pressed downwardly against the flared portion edge to outwardly peripherally bulge the tube between the block and flared portion.

Abstract: A split self-locking strain relief bushing for electrical conductors for cables and the like, comprising cooperative sections adapted to be fitted one onto the other and upon the cable to be secured thereby through longitudinal slidable movement therebetween and with each section providing restraining structure whereby in assembled condition it is locked in place within a receiving aperture formed in a support member.

Abstract: A multipurpose bushing having maximum useable internal space has snap means outside the periphery of the bushing collar and spacers that fit in with round and flat sided apertures.

Abstract: There is disclosed a probe assembly suitable for mounting in a pressure vessel and the like which has an elongated probe member with a continuous and unbroken insulation coating that is received within an assembly body. The latter has attachment means to secure the body in an aperture of a pressure vessel. The elongated probe member has an outwardly deflecting radial bend, and reverse and straightening radial bends which are received within and bear against supporting shoulders in the assembly body. The probe has its elongated portions projecting from opposite ends of the body, substantially coaxially. The aforedescribed construction securely retains the probe member within the assembly body, preventing its forced dislodgement therefrom under the pressure within the pressure vessel or misalignment during installation or use while, nevertheless, providing a continuous unbroken electrical insulation, thereby insuring against malfunctions that can occur when process fluids leak into the assembly body.

Abstract: A right angle strain relief grommet or cord holder which comprises a cylindrical grommet member having a circumferentially disposed flange provided intermediate the axial extremities thereof and resilient engaging projections disposed at a distance from said flange equaling the thickness of an apertured panel for accepting said cord holder therein and a lid member adapted to be integrally connected with said gromment member through the medium of a hinge piece and the lid further being provided on the free end side thereof with an outlet for leading out a cord.

Abstract: Disclosed is a retaining device for cords, which comprises a pair of retainer blocks formed integrally through the medium of a thin-walled hinge piece, one of said pair of retainer blocks being provided with a plurality of paths for interchangeably admitting cords of differing cross sections and the remaining retainer block being provided with push pieces adapted to push down the cord laid through a selected one of said paths, whereby cords of differing cross section can be retained in proper posture by being received in a path of conforming contour and the pair of retainer pieces being folded over each other across said thin-walled hinge piece.

Abstract: The snap-in mounting means includes a ring-like retainer member disposed in an annular groove provided near the outer end of an elongated bushing which extends from a switch frame member on a switch base of an electrical toggle switch assembly and pivotally supports a toggle lever for actuating switch contacts housed in the switch base. The retainer member is radially compressible and expandable in the bushing groove between a normally expanded position where its outer dimension is larger than the dimension of the mounting hole in a support panel on which a switch assembly is to be mounted and a compressed position where it can pass through the mounting hole.As the bushing is initially inserted into the mounting hole from the rear of the panel during mounting, a portion of the retainer member engages the rim of the mounting hole and it is cammed thereby to the compressed position inside the groove.

Abstract: A plastics strain relief bushing for a cable passing through a hole in a panel, comprising a hollow body for insertion in the hole and having a head to engage one side of the panel and retainer to engage the other side and prevent its withdrawal. A locking member rotatable in a non-cylindrical hole in the body has at least one resilient finger which is urged by the wall of the hole into gripping engagement with the cable when the member is rotated through part of a revolution, and is released on further rotation.

Abstract: A refrigerator cabinet feed-through grommet formed of resilient material comprising an outer sleeve section having one end formed with a double flange for sealingly connecting the grommet to the cabinet liner. The grommet has an inner socket section for supporting a rigid tube, enclosing an insulated electrical heater conductor, located in the space between the cabinet outer shell and inner liner. The socket portion includes stop means for seating the tube free edge so as to obviate any contact by the electrical conductor with the end of the tube. The interconnection of the socket section with the outer sleeve section is provided by a frusto-conical shaped lead-in section being sufficiently yieldable to permit the inner socket section to move out of concentrically spaced relation with the outer sleeve section so as to compensate for some misalignment of the tube with respect to the grommet.

Abstract: A plastic strain relief clamp is provided which comprises a head and a body having a through bore for receiving a cable, a pawl integrally formed with the body and flexibly connected thereto adjacent the bore and a second bore for a self-tapping screw adapted to be brought in engagement with the pawl in order to engage the pawl with the cable.

Abstract: Disclosed herein is a cord grommet, which comprises a female member of the shape of a tube having an approximately rectangular outside cross section and provided at one end thereof with a wall blind except for an oblong hole bored therein for passage of a cord and at the other open end thereof with an outer flange and a male member composed of a shaft having an approximately elliptic cross section and adapted to be rotatably set in position inside said female member and skirt-shaped engaging means adapted to encompass the flange of said female member, whereby a cord is fastened in a twisted state to a panel by a procedure comprising the steps of inserting said cord through the male and female members, bringing the two members into intimate contact with each other, inserting the two members in the coupled state into a perforation bored through the panel and giving the male member a relative rotation.

Abstract: An electrical component is supported within a housing molded of a plastics material, and the housing has an external groove which is interrupted by a plurality of peripherally spaced slots extending axially through the forward end portion of the housing. The slots provide for partially collapsing the forward end portion of the housing in response to pressing the housing into an opening within a panel so that the panel snap-fits into the groove. A retaining member is also molded of a plastics material and is mounted on the forward end portion of the housing to cover the slots. The retaining member has a corresponding plurality of circumferentially spaced and integrally molded ribs which are pressed axially into the slots to lock the housing firmly to the panel. The slots and ribs may have interfitting teeth to produce a permanent lock, and the retaining member can be adapted to carry a lens or other part which snap-fits into an annular recess formed by the retaining member.

Abstract: A one-piece plastic strain relief grommet which comprises a female member having a flanged U-shaped head end face and a chamber for accommodating a stretched electrical conductor means, a male member adapted to fit within the chamber of the female member for distortion and locking engagement of said conductor therewith, and a connecting means for connecting said two members in the form of a unitary set. The two members remain in the form of a unitary set connected by the connecting without accidental separation from each other until the grommet is put to actual use.

Abstract: The snap-in mounting means includes a ring-like retainer member disposed in an annular groove provided near the outer end of an elongated bushing which extends from a switch frame member on a switch base of an electrical toggle switch assembly and pivotally supports a toggle lever for actuating switch contacts housed in the switch base. The retainer member is radially compressible and expandable in the bushing groove between a normally expanded position where its outer dimension is larger than the dimension of the mounting hole in a support panel on which a switch assembly is to be mounted and a compressed position where it can pass through the mounting hole.As the bushing is initially inserted into the mounting hole from the rear of the panel during mounting, a portion of the retainer member engages the rim of the mounting hole and it is cammed thereby to the compressed position inside the groove.

Abstract: A strain-relief bushing for cables, wires and the like has a body formed with an internal passage through which a cable or the like is adapted to extend, and which is bounded by a surface. A pressure exerting element exerts pressure upon the cable in the passage in a direction including an acute angle with the elongation of the passage and serves to press the cable against a portion of the aforementioned surface.

Abstract: A grommet of the type adapted to lockingly mount within and seal an opening in a panel and wherein said grommet includes an elastomeric body having a nonelastomeric locking ring imbedded substantially entirely within said body such that the body includes first and second elastomeric annular sealing surfaces adapted to respectively seal against the face of the panel surrounding the panel opening and also to seal within the panel opening.

Abstract: A molded, one-piece, self-locking, strain-relief bushing for mounting an electrical conductor to a panel having an aperture through which the conductor passes. The bushing is designed to mount the conductor substantially parallel to the panel on one side thereof and substantially perpendicular to the panel on the other side thereof. The bushing comprises two generally concave complementary portions adapted to be folded together in axially offset position over the conductor. One of the complementary portions is frangibly attached to the other and is adapted to be sheared therefrom for self-locking mounting of the conductor to the panel. The busing may be preassembled by hand and self-lockingly installed by a simple hammer blow.