Abstract: The present invention is a hand-held stripping tool. The tool is adapted for cutting an outer sheath of a first electrical cable. Inside the sheath is parallel spaced apart insulation covered wires and a core member containing an uncovered ground wire between the insulation covered wires. The sheath has spaced apart curved sides conforming to the covered wires. The tool has spaced apart first and second jaw members adapted to be pressed together. The jaw members have cutting edges that receive a portion of the first cable along its length. The cutting edges define an opening configured to cut the sheath and the core without significantly cutting the insulation on the wires or the unsheathed ground wire when the jaw members are pressed together to form the opening. The portion of the sheath is then removed in one continuous process.

Abstract: Pincher vises move towards each other for gripping a plug of an IC package container such that the IC package container may be pulled away from the plug. A first pincher vise is at a gripping position when the first pincher vise is gripping the plug and is at a freeing position when the first pincher vise is not gripping the plug. A second pincher vise is at a gripping position when the second pincher vise is gripping the plug and is at a freeing position when the second pincher vise is not gripping the plug. A pushing rod is coupled to the first pincher vise and the second pincher vise, and a motion translation mechanism moves the first pincher vise and the second pincher vise to the gripping position when the pushing rod is pushed down, and moves the first pincher vise and the second pincher vise to the freeing position when the pushing rod is no longer pushed down after the IC package container has been pulled away from the plug.

Abstract: A blade removing tool for rotary lawn mowers includes a central support assembly forming a guide adapted to be positioned over a bolt holding a rotary lawn mower blade in position and to allow the passage of a socket wrench there through. An elongated handle has an interior end coupled to the support assembly and an exterior end adapted to held by a user. A pair of projections extend downwardly from the lower plate parallel with the handle and adapted to be positioned on opposite sides of a blade to contact the blade when a socket wrench tends to turn a bolt and the blade.

Abstract: The unitary, hand held tool is comprised of a body portion having first and second ends. The body has a length dimension which is sufficient to span the distance between the centers of at least three outer link plates of a multi-link roller chain. The first and second fixed prongs emanate from, are integral with the body portion, and are preferably angled towards one another. The fixed prong adjacent to the first end of the body portion, and the second fixed prong adjacent to the second end of the body portion extend from the linear body portion in substantially the same plane. The prongs are dimensioned to fit into the openings between spaced apart rollers of a multi-link roller chain, and long enough to secure such spaced apart rollers when fit into such openings.

Abstract: A handle for a mattress border is anchored with spaced grommets in the border against which anchors on the handle ends may bear. The anchors are designed to allow a leading end of the handle to be drawn through grommet opening. A back strap between the grommet openings is shaped to allow clamping to move the grommet opening to aligned position. To allow the drawing of the anchors through the grommet opening, at least one of the anchors is provided with first couplings. A puller rod is designed to be inserted through at least one of the grommet openings. The puller rod is provided with second couplings, designed to cooperate with the first couplings to achieve the pulling function.

Abstract: A device for tensioning shaped parts, with a frame and a plurality of tensioning elements which are formed by a holding part and a clamping part. The holding part abuts the shaped part pointwise and a clamping part pushes the shaped part in the direction of the surface normal against the holding part.

Abstract: A force multiplying apparatus employs a pivoting clamping arm motion and then a subsequent linear clamping arm motion. A slotted swing arm and a slotted drive link are pivotably and slidably mounted to a relatively fixed body. A toggling action and coincidental sliding of pivots cause the multiplied closing forces.

Abstract: A guide and a method of using the guide to install a spline of a canopy in a channel formed in a side wall of a roller tube having an end with a circumferential edge. The guide has an interior groove formed therein for receiving a portion of the circumferential edge so as to mount the guide to the roller tube. A wall of the guide covers the circumferential edge and defines a mounting opening. When the guide is mounted to the roller tube, the mounting opening is disposed over an end of the channel so as to permit the spline to be moved through the mounting opening and into the channel. The wall may define a second mounting opening for disposal over an end of a second channel formed in the side wall of the roller tube.

Abstract: A mounting clamp for holding together metal sheets and a tool for removing the clamp. The clamp has two legs that define a clamping gap that terminates in a bore hole. The free ends of the legs are provided with bevels with an insertion angle of 20.degree. to 40.degree. relative to the clamping gap. The insertion opening has a width that is slightly larger than the width of the widest stack of sheets to be held by the clamp. The clamping gap has a height that is at least three-times the width of the clamping gap. The diameter of the bore hole is at least one-and-one-half times greater than the width of the clamping gap. The removal tool has an insertion pin arranged at one end of a handle part and can be introduced into the bore hole of the clamp with slight play. The insertion pin is provided with a slit that runs in the longitudinal direction of the handle part.

Abstract: An apparatus and method for retaining the bearing cups on the trunnions of a universal joint cross when supplying lubricant therein includes a body portion having a pair of end portions extending therefrom. An insert is preferably removably secured to each of the end portions by any conventional means, such as by threaded fasteners. A shank portion extends from the body portion in a direction that is opposite from the end portions. The shank portion is preferably formed having a non-circular shape, such as square. The bearing cup retaining apparatus further includes a hollow hammer portion that is disposed about the shank portion. The inner surface of the hammer portion preferably corresponds in shape to the non-circular outer surface of the shank portion so as to be axially slidable along the shank portion without being rotatable relative thereto. To install the bearing cup retaining apparatus, the hammer portion is rapidly moved into abutment with the body portion.

Abstract: A blade changing tool for changing a table saw blade having a cutting blade. The table saw has a top surface and at least a portion of the blade is disposed above the top surface. The blade changing tool includes a housing having a top and two oppositely disposed sides defining a blade slot therebetween. The blade slot is dimensioned such that the slot can conceal at least a substantial portion of the blade edge disposed above the top surface of the table. A projection extends transversely from at least one of the sides to retain the housing from rotation relative to the table. The tool can include apparatus for retaining the blade against rotation relative to the housing.

Abstract: A mounting jig for positioning and adhering respective temporarily-retaining clips of a clip set for a window glass at a peripheral edge portion of the window glass includes a body, two nippers positioned at an end portion of the body which nip a pair of strut members of the clip set, and a positioner provided for each nipper which abuts an edge of the window glass to position the nippers at the peripheral edge portion of the window glass.

Abstract: A vise assembly and a method of manufacture therefor includes a threaded feed screw rod having a clamp member at one end thereof and a manually graspable handle at the other end thereof. The feed screw rod is rotatably mounted in a vise mount. The vise mount includes a frame mount that includes a pair of laterally extending wing portions and a concave portion between the wing portions in which the feed screw rod is received. On the frame mount are included a pair of stepped frame members, each including a first portion fixed to a respective wing portion of the frame mount, and a second portion bent substantially orthogonal to the first portion thereof to define side portions on either side of the concave portion of the frame mount, the feed screw rod being further disposed therebetween. A vise lock handle is pivotably mounted between the second portions of the pair of stepped frame portions.

Abstract: A safety vise for collection and disposal of used hypodermic needles, having an associated disinfecting apparatus which is operably coupled to a viseing mechanism to prevent its subsequent use unless a disinfecting operation using the disinfecting apparatus is performed. The safety vise is primarily intended for reclaiming the sleeve of a pistonless blood collection system, like VACUTAINER.RTM. assemblies, assembled from three independent sections: a sleeve, a specimen tube, and a double-ended needle. A disposable, needle collection container seats a project top. The project top includes a first station having guard elements particularly structured for safely removing a double-ended needle, and a second station for disinfecting the sleeve.

Abstract: A tool for and method to facilitate the replacement of wheels on track-and-wheel vehicles and equipment by lifting the track from the road-wheels in a quick, safe and efficient manner. A tool with an elongated section and two forked ends, each fork having a long prong and a short prong, the long prongs of both ends not being on the same side of the tool. In operation, one forked end is placed in notches in the lower track, and the other forked end is placed in notches in the upper track. The vehicle is then driven in a direction so that the tool acts as a wedge lifting the upper track off of the road wheel.

Abstract: A tool for removing a lawn mower cutter blade from a shaft to which it is attached by a threaded member and disposed in a cutter deck having a skirt portion which surrounds the cutter blade and having different portions disposed at different distances from the ends of the cutter blade as the cutter blade rotates. The tool includes a sleeve portion having open opposite ends and adapted to be telescopically received over the end of the blade and a stop disposed intermediate the ends of the sleeve portion for engaging one end of the blade to limit the extent to which the tool can move inwardly toward the center of the blade so that a portion of the tool extends from the end of the blade toward the skirt portion, whereby when one end of the tool is received on a cutter blade and the blade is rotated, the other end of the tool jams against the inner surface of the skirt portion so that the threaded member can be threaded on or removed from the shaft without further rotation of the blade.

Abstract: A jig bench for facilitating the assembly of a golf club, consists of a base, a shaft accommodating portion for accommodating a shaft of the golf club and a head accommodating portion for accommodating a head of the golf club. The shaft accommodating portion consists of a first bed pivotably connected to the base, a pneumatically-activated clamp mounted on the first bed for clamping the shaft and a pair of supporting members mounted on the first bed and located beside the clamp for supporting the shaft. The head accommodating portion consists of a second bed pivotably connected to the first bed and a pneumatically-activated clamping mechanism for clamping the head. The jig bench further includes a controlling mechanism which can be manipulated to accurately adjust the relative angle between the first and second beds.

Abstract: A solid-steel anvil of symmetrical configuration, having a top head, depending intermediate web and a base, and with the anvil being of light weight that a person can manipulatively grasp the anvil's top head with one hand to easily carry the anvil with his grasping hand, is produced by the method of providing a rectilinear elongated section, appropriately disposing the elongated section preparatory to successive cross-cuttings of the section, and cross-cutting successive lengths from the section to thereby provide a plurality of separate anvils.

Abstract: A tool (10) for removal of a gudgeon pin (33) from an assembly (34) of a reciprocating end of a connecting rod (28) and a piston wherein there is provided a base (11), a post (16), a pair of projecting half-arms (12, 13) projecting forwardly of the post (16) and above the base (11), each of the half-arms (12, 13) each having a support web (27) with a semi-circular inner edge which co-operates with the inner edge of the other half-arm (13, 12) to provide an ejection aperture (32) for the gudgeon pin (33) while the webs (27) of the half-arms (13, 12) resist the ejection pressure and thereby avoid piston damage.

Abstract: A solid-steel anvil of symmetrical configuration, having a top head, depending intermediate web and a base, and with the anvil being of light weight that a person can manipulatively grasp the anvil's top head with one hand to easily carry the anvil with his grasping hand, is produced by the method of providing a rectilinear elongated section, appropriately disposing the elongated section preparatory to successive cross-cuttings of the section, and cross-cutting successive lengths from the section to thereby provide a plurality of separate anvils.

Abstract: A carrier is disclosed for carrying and holding a spindle of a machine during removal and installation of the spindle and while performing maintenance on the spindle. The carrier has a spindle support, a carrying handle, and a device for engaging a portion of the machine so as to removably support the carrier on the machine. The carrier has opposite end plates, each end plate having a recess configured to receive a portion of the spindle such that the spindle may be supported on the end plates in the recesses. In use, the carrier is removably supported on a portion of the machine by attachment members which may be movably mounted on the end plates and attached to the carrier handle. By extending the attachment members, the carrier is supported on the machine and positioned so that the spindle is located in the recesses in the end plate. This enables a single person to then remove the shaft supporting the spindle on the machine while the carrier holds the spindle in position.

Abstract: Apparatus for attaching a member onto a planar surface of an object within a predetermined degree of positioning accuracy relative to a reference axis on the planar surface. The apparatus comprises first and second bores in the object that are spaced a predetermined distance apart on the reference axis such that their respective centers extend substantially perpendicularly through the reference axis. First and second hollow protrusions are formed on a mating surface of the member and are spaced apart on the mating surface a second predetermined distance and are shaped such that the second predetermined distance can vary a predetermined amount relative to the first predetermined distance without affecting the ability to simultaneously insert the first and second protrusions into the first and second bores, respectively, while maintaining the degree of positioning accuracy of the member relative to the reference axis on the planar surface on the object.

Abstract: A method and apparatus for accurately positioning parts precisely in a predetermined location, including a frame having a part receiving zone on which said parts are placed for movement to the predetermined location. Two positioners are mounted on linear bearings connected to the frame and are connected to a cable for opposed motion toward and away from the part on the receiving zone under control of the cable. The cable is trained around a four pulleys mounted on said frame and connected to a cable cylinder. The cable passes axially through cylinder and connects to a piston on the centerline of the piston. Movement of the piston in one direction in the cylinder is operative to move the cable and the attached positioners toward each other to center the part. Movement of the piston in the opposite direction moves the positioners away from each other to release the part.

Abstract: Apparatus and method for automatically interfitting a part and mount utilize a housing having a chamber and an inwardly tapered alignment surface. A piston reciprocates in the chamber and has a gripper end that moves out of and into the housing, past the alignment surface, when alternating spring and air pressure forces act on the piston. Such movement of the piston accurately positions a gripped part, and the housing then reciprocates so that the alignment surfaces accurately position a mount. The piston then moves the part to an interfit with the mount.

Abstract: An apparatus and method for permanently attaching to fabric in a right-side up orientation decorative objects such as rhinestones or nailheads using conventional setting hardware such as tiffany settings and/or rim settings and nail heads. The apparatus employs an upper die having a bore filled with a viscous material that extends into a lower groove of the upper die and a pressure closure to permit maintaining the amount of viscous material in the groove.

Abstract: A machine (28) for use in removing first and second mandrels (20) from a stringer assembly (26) that includes a composite I-beam and the mandrels is disclosed. The mandrels are located in channels on opposite sides of the composite I-beam. The machine includes a framework (30) having an elongate platform (36) for supporting the stringer assembly (26). Mounted on the framework are a plurality of stations (32) located long the longitudinal platform (36). Each station includes first and second movable platforms (42) mounted to opposite sides of the longitudinal platform from one another. Each platform includes a clamp (38 and 40) for sequentially clamping the stringer assembly to the framework when the mandrels are being removed. The movable platforms are attached to the mandrels. A jackscrew mechanism moves the movable platforms with respect to one another when the sides of the stringer assembly are clamped to the platform.

Abstract: A process and apparatus are provided for assembling two, mating, threaded containers. The threaded end of the first container is disposed in the threaded port of the second container. The second container is clamped to prevent rotation of the second container. A cam is rotated to engage a torque-applying assembly to produce relative movement between the clamp assembly and the torque-applying assembly. This effects sequential engagement and disengagement of the torque-applying assembly and the first container. The torque-applying assembly is rotated relative to the clamp assembly while engaged with the first container to effect threaded engagement of the containers.

Abstract: A collar-swaging die includes two portions which are slidable relative to each other for alignment of the collar onto the exposed end of the bolt.

Abstract: A belt clamp stabilizing an intact belt while it encompasses a pulley formed from a rear plate, front plate, 2 cams, and a center block with griping surfaces. The clamp is easily attached to an existing belt without having two cut an additional belt. A breaker bar may be attached to the Belt Clamp to stabilize the clamp and the pulley to which the belt is attached while the nut or bolt holding the pulley to the pulley shaft is loosened or tightened.

Abstract: A thin-walled valve guide insert for lining and relining a valve guide of an internal combustion engine includes opposing ends each having a tapered insertion section thereon. The tapered insertion section defines a reduced outer diameter to facilitate installing the insert into a valve guide bore have a nonchamfered opening, and further defines a reduced inner diameter so that the insert has a substantially continuous wall thickness throughout its length and thus maintains the structural integrity of the insert from end to end. In the preferred embodiment, the valve guide insert is made of a phosphor bronze material of about 0.018 inch thickness or less, and includes a lengthwise slit therein. The insert is sprung open longitudinally along the slit and must be radially compressed so that the insert defines a sufficiently small outer diameter so that it can be axially installed in a press-fit condition into the valve guide bore of the engine.

Abstract: Apparatus for removing metal framed windows and doors applies inwardly-directed force to collapse the frame inwardly upon itself. A tool consisting of clamps and a tensioning device which applies the force sequentially around the frame. At each position where the tool is fastened to the frame, tension is applied to the frame until one or more sides collapse inwardly. The tool is then repositioned and the process repeated until the entire frame is collapsed and can be removed.

Abstract: A support hinge is installed between the elevation and azimuth housings of the antenna pedestal. A jack is installed between these same housings at a location opposite to that at which the hinge is located. The elevation housing is then raised by means of the jack so that it pivotally moves upwardly on the hinge. A winch is installed on the support hinge so that it is capable of lateral pivotal motion. A bearing adapter having a plurality of arms extending therefrom is suspended from the winch and lowered until it is in contact with the bearing. Bolts are then used to join each of the arms to a threaded portion of the bearing. The bearing is then lifted out of the azimuth housing, swung pivotally away from such housing and lowered from the antenna pedestal. A new bearing is installed by reversing the above indicated procedure.

Abstract: A heavy duty bead remover for vehicle passenger and heavy duty tires wherein the bead is hooked at a circumferential point and drawn through a narrow transversely slotted aperture, thereby to tear the bead from the tire and pull it through the aperture. Adjustable pressure jaws are provided to clamp the bead to the hook, and further a curved guide adjacent the slotted aperture is provided to reduce draw and tear forces. The tire is preferably specially cut prior to tear removal of the bead.

Abstract: A system for positioning and maintaining in place an horizontal plate upon an horizontal surface such as the upper face of a rest block, typically when such plate and such block are elements of a modular furniture system, characterized in that the components of said positioning system are not visible on any of said plate surfaces, which enables said plate to be reversible.

Abstract: An attachment device for attaching both compressible spring-type ceiling fixtures and noncompressible ceiling fixtures on an inverted T-shaped ceiling bracket. Opposed gripping surfaces on the outer ends of first and second pivotally attached arms are movable between first and second positions. The gripping surfaces include U-shaped recesses that can hold a noncompressible ceiling fixture for installing it on the ceiling bracket with the use of an elongated rod from a position on the floor. A recess is formed on the outer side of the bottom portion of each of the U-shaped gripping surfaces. An adapter having a base therein with projections on the inside of the adapter base can be mounted on the gripping surfaces with the projections engaging the recesses to retain the adapter on the outer end of the gripping tool. A noncompressible mounting ceiling fixture can be placed therein.

Abstract: An electrical cable loosening device, for loosening an electric cable having a conductor wire covered by an insulating material, has a clamping unit, a stop unit, and a pounding unit. The clamping unit clamps the electrical cable. The pounding unit pounds and bends the cable end portion against the stop unit. Thus, the insulating material separates from the conductor wire at the end portion to facilitate the stripping of the insulating material.

Abstract: A stapling unit includes an auxiliary device for attaching an anvil thereof adjustably relative to a stapler head of the stapling unit. The auxiliary device includes a rib-type projection for inserting into the stapler head of the unit, and a positioning pin for mounting to the anvil.

Abstract: An apparatus for performing at least one cycle of screwing and unscrewing of a screwthreaded joint for the assembly of tubes, which enables tightening of the joint with a high level of torque while avoiding damage to the screwthreads. The apparatus comprises two wrenches, each wrench engaging against a component of the joint, with each wrench comprising at least one mobile jaw which is slidable in a chamber. The mobile jaw is formed of a material which undergoes plastic deformation at the stress to which it is subjected in order to tighten or loosen the joint. This apparatus is used for bedding-in components of screwthreaded joints for tubes used in petroleum drilling operations.

Abstract: A machine for automatically applying a balance correcting weight (44)-and-clip (46) assembly to vehicle wheel-and-tire assembly (12). The machine includes a conveyor (20) portion for conveying the wheel-and-tire assembly (12) to a weight (44) application station, orienting the wheel-and-tire assembly (12) properly to receive at the correct location the balance-correcting weight (44), and conveying the wheel-and-tire assembly (12) to which the balance-correcting weight (44) has been applied away from the weight (44) application station. The machine includes a hammer (22, 24) having a storage orientation out of operating position permitting conveying of the wheel-and-tire assembly (12) to and from the weight (44) application station and a use orientation in operating position adjacent the wheel-and-tire assembly (12) to which balance correcting weight (44) is to be applied, and means for moving the hammer (22, 24) selectively between its storage and use orientations.

Abstract: The invention relates to an assembly device for assembling camshafts, comprising a holding device for axially fixing individual elements such as cam discs, bearing seats or gears, including a pressure agent probe for hydraulically expanding a hollow shaft in sections, with the elements and the shaft being connected to each other in a force-locking way.The holding device has been provided with individual fixing discs each having a central aperture for receiving one of the elements such as cam discs, bearing seats or gears as well as an outer bearing seat for being received in a bearing region of the holding device. These fixing discs permit angularly accurate fixing of the individual elements prior to assembly, with the hollow shaft being able to carry out radial movements relative to these.

Abstract: A method and apparatus for the assembly and disassembly of dovetail shaped wedges into and from the coil slots of dynamoelectric rotors using a fixture attached to a rotor shaft coupling in a selectable radial position so as to be aligned with a rotor slot. The method and apparatus further uses a pulling tool attached to a wedge and also connected to a winch located on the fixture via a winch belt extending between the tool and fixture.

Abstract: A machine is provided for automatically applying a balance correcting weight (44)-and-clip (46) assembly to a vehicle wheel-and-tire assembly (12). The machine includes a conveyor (20) portion for conveying the wheel-and-tire assembly (12) to which the balance-correcting weight (44) is to be applied to a weight (44) application station, orienting the wheel-and-tire assembly (12) properly to receive at the correct location the balance-correcting weight (44), and conveying the wheel-and-tire assembly (12) to which the balance-correcting weight (44) has been applied away from the weight (44) application station.

Abstract: A tool is provided for removing plastic grommets embedded within concrete to be post-tensioned. The tool has a conical shaped head for insertion into the grommet sleeve. The tool includes a wide bore that extends through the entire tool which slips over a central protrusion of the post-tension concrete grommet. The bore is open along its entire length so that the head may be slipped over a cable used to post-tension the concrete. The conical section further includes 2 radially extending slots spaced 90.degree. apart which extend from the bore to the outer periphery of the conical section. These slots transmit the torque to the grommet through wings connected to the sleeve. A hole is provided within the tool for connection of a handle to the tool. The handle manually turns the tool about the axis of the bore, thereby delivering torque to the grommet and releasing it from its embedded position within the concrete.

Abstract: A tool to aid in the removal of an impeller from its respective shaft. The tool has two arms. One of the arms has gripping means in which the impeller vane is placed. The other arm has a hole through it so that the tool may be affixed to a rigid structure such as the pump impeller housing. The attachment of the tool of the present invention to a rigid structure allows the impeller to be fixed in position so that any rotary motion of the shaft does not cause the impeller to move.

Abstract: A hand held, spring actuated single stroke piston desoldering instrument having a removable, replaceable nozzle tip in combination with a novel removal tool which also serves as a holder for several spare tips is disclosed. The barrel of the desoldering instrument is one-piece molded and includes an end cap portion with a forwardly protruding nose portion having a nozzle retaining central bore therethrough. The novel replaceable nozzle element has two annular grooves formed about its periphery: the first mates with an annular reduced diameter shoulder within the retaining bore of the end cap; the second is normally disposed forwardly of an outside of the end cap where it may be gripped by a pair of flexible jaws on the removal tool.

Abstract: A power transmission gear assembly puller for use on the General Motors 440 power transmission, facilitating the accessibility of power transmision gears for repair and maintenance. A novel means for removing a gear assembly incorporating a shaft with an expandable seat on one end on which the gear assembly rests when expanded. A unique means for expanding the seat while inside the gear assembly through the shaft from the handle. The gear assembly puller reduces transmission repair time significantly while providing ease of gear assembly removal, as well as safety with regard to the technician's hands.

Abstract: A lawn mower blade lock is provided which is especially useful for servicing a lawn mower by enabling both lifting one side of a lawn mower to expose the blade and simultaneously securing the blade of the mower against rotation during efforts to remove the blade. The lock includes a handle and a pair of blade constraining barriers which extend beneath the mower deck and resist rotation, combined with a locking mechanism which attaches to the mower deck. The locking mechanism preferably includes a threaded shank which clamps the mower deck between the barriers and an abutment on the shank for resisting rotation of the blade relative to the deck. In this manner, the lock is easy to attach and remove, and thus is also useful during storage of the mower to prevent inadvertent starting of the lawn mower by children. Moreover, the lawn mower blade lock is economical to construct and easy to attach.

Abstract: An apparatus and method for mounting articles of clothing to a printing pallet for use with a screen printing machine which comprises a sleeve having a channeled portion to slidably receive the pallet, a support structure adapted to releasably support said sleeve in a position which facilitates the mounting of each article of clothing to the outer surface of the sleeve and the transfer of the article from the sleeve to the pallet.

Abstract: An apparatus is disclosed for compressing a retainer ring to reduced assembly size and maintaining the compressed ring assembly size at an assembly location by internal containment means. The apparatus typically includes a ring compressing assembly for compressing the ring from the exterior and mandrel means disposed in the compressing means and around which the ring is compressed to assembly size. The mandrel means includes a lug-retaining groove means into which retainer ring lugs having special flats are compressed and retained interiorly of the ring to hold the ring at reduced assembly size. The compressed retainer ring is carried to the assembly location outside the compressing means on the mandrel means and is stripped from the mandrel means for final assembly internally in a part. The ring compressing assembly is carried on a first slide for movement between a ring load position and a ring assembly position.

Abstract: A device for installation and removal of a wrist pin from a piston includes a press pin having an upper end for engaging a hydraulic ram and a lower end section of reduced diameter which engages into the bore of the upper end of a wrist pin. The lower end of the wrist pin is engaged by an end section of reduced diameter of a guide pin, the end section of reduced diameter having at least one groove encircling its circumference and having an O-ring engaged in the groove. The press pin, wrist pin and guide pin engage together to form a substantially rectilinear rod-like structure, enabling the wrist pin to be inserted through the shaft of the piston and eye of the connecting rod without damage to the shaft.