Abstract: A wire thread insert comprises besides a cylindrical helix consisting of a plurality of coils a moving tang projecting into the interior of the helix for installing the wire thread insert into a receiving thread. The wire thread insert is connected to the cylindrical helix via a bending portion such that the moving tang can be redressed into the receiving thread after installation of the wire thread insert. The wire thread insert is installed by means of an installation tool with a mounting spindle, which installs the wire thread insert in the receiving thread via a moving shoulder and the moving tang. A compression blade provided at the mounting spindle bends the moving tang back into the receiving thread while the mounting spindle is removed from the installed wire thread insert.

Abstract: A collapsible structure connection system and method including an apparatus having a pair of mated ferrules, at least one pivoting pin and at least one slider arm. Each ferrule couples to a rod segment of the structure, the ferrules connecting the rod segments when mated, but allowing the rod segments to rotate into a collapsed structure. The apparatus has a locking system in one example embodiment. The systems include a bracket, at and at least one locking device to fix the rod segments in a preferred configuration. An alternate apparatus and collapsible structure connection system includes a pair of mated ferrules each having a lengthwise slot, a connector arm and pivoting pins. The connector arm rotates around the pivoting pins within the slots of the ferrules, allowing the ferrules to rotate into various positions when selectively connecting and collapsing rod segments.

Abstract: A spring compressor including a first mating arm in configured to mate with a subframe component of a vehicle, a second mating arm configured to mate with a moveable suspension component of the vehicle, wherein the suspension arm carries a suspension spring, and an actuator configured move the second mating arm toward the first mating arm to compress the suspension spring, so as to facilitate installation of a part, such as a damper. The disclosure also provides a method of joining a damper or similar part with a suspension component, such as a suspension arm, and with a body portion of the vehicle, including mating the first mating arm with the subframe component, mating the second mating arm with the suspension component, actuating the actuator to move the second mating arm toward the first mating arm so as to move the suspension arm, and securing the damper to the vehicle.

Abstract: A collapsible structure connection system and method including an apparatus having a pair of mated ferrules, at least one pivoting pin and at least one slider arm. Each ferrule couples to a rod segment of the structure, the ferrules connecting the rod segments when mated, but allowing the rod segments to rotate into a collapsed structure. The apparatus has a locking system in one example embodiment. The systems include a bracket, at and at least one locking device to fix the rod segments in a preferred configuration. An alternate apparatus and collapsible structure connection system includes a pair of mated ferrules each having a lengthwise slot, a connector arm and pivoting pins. The connector arm rotates around the pivoting pins within the slots of the ferrules, allowing the ferrules to rotate into various positions when selectively connecting and collapsing rod segments.

Abstract: A clamping device for clamping a workpiece having a constant section includes a base; a head; jaws including a jaw fixed to the base and a jaw facing the other jaw and fixed to the head to clamp the workpiece; a guide to link the head to the base and to allow the displacement of the head in an action direction between a clamping position and an opening position. The guide includes at least two plates parallel one with the other with each plate being linked at a first end to a heel of the base and to the head at a second end opposed to the first end, the first ends and second ends being flexible to allow the plates to pivot in relation to the heel and the head, respectively; the clamping device being in one block of monolithic material such as metal.

Abstract: A brake tool for servicing an S-cam braking mechanism, including an essentially elongate member of generally uniform thickness and having gripping and engagement portions separated by a predetermined lateral distance; an elevation portion intermediate the gripping and engagement portions and having a predefined gripping angle relative to the gripping portion as well as a predetermined engagement angle relative to the engagement portion; wherein the engagement portion transitions into an engagement extent along a transition portion of predetermined length, with the transition portion having a predetermined transition angle relative to an engagement means defined at a distalmost portion of the transition portion, wherein the engagement means is configured and dimensioned to engage a return spring shaft of an S-cam braking mechanism.

Abstract: A tool for use in installation, adjustment and removal of an energy storage device for a counterbalance system. The tool includes a member rotatable to manipulate a spring carriage. One embodiment includes a threaded shaft, an engagement member which engages the slidable carriage, a locking nut disposed on the threaded shaft, and a bearing member disposed to the threaded shaft between the locking nut and the engagement member. A position of the slidable carriage between compressed and extended positions relative the track housing is adjustable by rotation of the threaded shaft. Another embodiment includes a frame, a cable spool rotatably attached to the frame, and having a gear attached in a co-axial arrangement to the cable spool, and a worm gear attached to the frame. The spool gear is rotatable by the worm gear to apply axial force to the slidable carriage by winding the counterbalance cable.

Abstract: A method and apparatus for automated valve spring assembly includes a head assembly with elongated passageways that movably support a pair of retainer keys. A pair of control members selectively close off the passageways. The head assembly further includes a moveable divider plate and a pair of jaws. A push member or rod closes off the passageways by shifting the control members upon movement of the pushrod. The pushrod also slides the retainer keys such that the retainer keys contact tapered inner surfaces of the jaws and rotate the jaws outwardly. The retainer keys are thereby axially positioned relative to the end of a valve stem. The retainer plate is then retracted, and the jaws shift inwardly and push or position the retainer keys on the valve stem.

Abstract: A connector includes a housing having a bore with a housing groove disposed on an inside surface of the bore with a groove establishing a release angle between a housing groove bottom and a bore inside surface. A retainer defines a spring cavity between a retainer and the release angle and a circular radial canted coil spring is disposed in the spring cavity. A pin having a tapered end and a body diameter sized for sliding engagement with the bore is provided which includes a circumferential groove in the pin body for receiving the coil spring upon insertion of the pin into the bore. A circumferential groove includes a load angle for rotating the coil spring in an orientation in which the major spring axis is parallel to the release angle upon initial withdrawal of the pin from the bore. The coil is further compressed along the spring minor axis and expands radially upon continued withdrawal of the pin from the bore.

Abstract: A device acting as a cylindrical jack stand is described. The device includes at least one encirclement band. The encirclement band or bands are removably attached to the cylindrical jack by attaching a handle through the bands to the jack. The bands include apertures for one or more accessories. The apertures are aligned with an extended region of the base such that any accessories inserted in the apertures are supported by the extended region of the base.

Abstract: A device and a method for controlled setting of a coil spring, enabling a coil spring to be blocked in controlled manner with a selected compression length, in particular when compression with touching turns is unfavorable. According to the invention, the device comprises a first support configured to hold the first end of the spring and a second support configured to hold the second end of the spring, the first and second supports being configured to move relative to each other; the device further comprising at least one insertable rest configured to be inserted between certain turns of the spring during compression of the spring.

Abstract: A connector includes a housing having a bore with a housing groove disposed on an inside surface of the bore with a groove establishing a release angle between a housing groove bottom and a bore inside surface. A retainer defines a spring cavity between a retainer and the release angle and a circular radial canted coil spring is disposed in the spring cavity. A pin having a tapered end and a body diameter sized for sliding engagement with the bore is provided which includes a circumferential groove in the pin body for receiving the coil spring upon insertion of the pin into the bore. A circumferential groove includes a load angle for rotating the coil spring in an orientation in which the major spring axis is parallel to the release angle upon initial withdrawal of the pin from the bore. The coil is further compressed along the spring minor axis and expands radially upon continued withdrawal of the pin from the bore.

Abstract: A connector includes a housing having a bore with a housing groove having a release angle between a housing groove bottom and a bore inside surface. A retainer defines a spring cavity having a circular radial canted coil spring disposed in the spring cavity. A pin having a tapered end in sliding engagement with the bore and provided with a circumferential groove for receiving the coil spring upon insertion of the pin into the bore. A circumferential groove includes a load angle for rotating the coil spring in an orientation in which the major spring axis is parallel to the release angle upon initial withdrawal of the pin from the bore.

Abstract: A ferromagnetic latching support system for positioning a surface is disclosed. The latching support system includes a mechanical support and a ferromagnetic device.

Abstract: The present invention relates to a spring compression apparatus for compressing a coil spring and a related method of making this apparatus. A top plate is provided that engages and supports a first end of a coil spring. A middle plate engages and supports a second end of the coil spring, so that the coil spring is supported between these two plates. A base plate is disposed on an opposite side of the middle plate from the top plate. A frame is formed that fixedly supports the top plate and the base plate. The frame also slidably supports the middle plate. A jack, which is positioned between the base plate and the middle plate. The jack urges the middle plate toward the top plate, so as to compress the coil spring.

Abstract: A connector includes a housing having a bore with a housing groove disposed on an inside surface of the bore with a groove establishing a release angle between a housing groove bottom and a bore inside surface. A retainer defines a spring cavity between a retainer and the release angle and a circular radial canted coil spring is disposed in the spring cavity. A pin having a tapered end and a body diameter sized for sliding engagement with the bore is provided which includes a circumferential groove in the pin body for receiving the coil spring upon insertion of the pin into the bore. A circumferential groove includes a load angle for rotating the coil spring in an orientation in which the major spring axis is parallel to the release angle upon initial withdrawal of the pin from the bore. The coil is further compressed along the spring minor axis and expands radially upon continued withdrawal of the pin from the bore.

Abstract: A method and equipment for making a needle-fin tube having needle-like external fin parts, and internal fin structure formed by a spiraled spring wire which expands to clamp again the tube in the needle-fin tubes. The wire used to form the internal fin is wound along and around a bar which is moved and rotated along a straight line. The bar is moved inside the needle-fin tube from its one end to the other and the wire is released from the bar to attach to the internal surface of the needle-fin tube under spring force.

Abstract: A clamp of an anti-vibration spring includes a pipe body and a sheathing element fixed to an end the pipe body. Another end of the pipe body is fixed to a covering element. The sheathing element is passed through the external periphery of the pipe body. The pipe body includes a screw rod screwed at the moving element, and an end of the screw rod is protruded from an end of the covering element and fixed at a driving element. A connecting element between the sheathing element and the moving element positions the sheathing element and the moving element. Each sheathing element has a connecting portion including a transversal slot, two clamping disc, and an insert portion on the clamping disc connected to the transversal slot and fixed by a positioning element. By turning the driving element, the anti-vibration spring is compressed or released between the two clamping discs.

Abstract: A tool for use in installation, adjustment and removal of an energy storage device for a counterbalance system. The tool includes a member rotatable to manipulate a spring carriage. One embodiment includes a threaded shaft, an engagement member which engages the slidable carriage, a locking nut disposed on the threaded shaft, and a bearing member disposed to the threaded shaft between the locking nut and the engagement member. A position of the slidable carriage between compressed and extended positions relative the track housing is adjustable by rotation of the threaded shaft. Another embodiment includes a frame, a cable spool rotatably attached to the frame, and having a gear attached in a co-axial arrangement to the cable spool, and a worm gear attached to the frame. The spool gear is rotatable by the worm gear to apply axial force to the slidable carriage by winding the counterbalance cable.

Abstract: A c-clamp locking device has been specially modified to depress brake drum springs while the brake shoes are replaced. The device has opposing c-clamp jaws, one of which has a blunt end for compression against the surface of the brake drum, and the other of which has a ring for compressing the brake drum spring. The jaws are adjustable relative to each other. A locking mechanism enables the device to lock in place when the brake drum spring is appropriately compressed, allowing the mechanic to use both hands unencumbered when replacing brake shoes.

Abstract: A spring-compression apparatus for facilitating maintenance of a strut assembly comprises a guide member, a carriage assembly, and a spring-channeling assembly. The guide member comprises a first member end and a second member end. The carriage assembly comprises a jack assembly and a slide assembly. The jack assembly is operable to otherwise displace the slide assembly along the guide member. The slide assembly comprises a locator assembly, which comprises a locator extension arm and a pivotable strut end interface. A strut spring is receivable in the spring channeling assembly as laterally engaged therewith. The strut end interface is engageable with a strut end for compressing the strut spring. The locator assembly further enables a user to remove a mounting nut from the interface-engaged end when the strut spring is compressed, thus enabling strut assembly disassembly.

Abstract: A method includes joining an integral bulkhead and a blade shell to form a blade and separating the blade into two blade segments at a location including the integral bulkhead such that each blade segment comprises a portion of the integral bulkhead and a portion of the blade shell.

Abstract: A tool for assisting a worker in removing and reattaching brake springs includes an elongated shaft having an upper end and a lower end. Axially extending from the upper end is a tapered neck with a flattened stem extending therefrom. At a distal end of the stem is a C-shaped gripping member for grasping a brake spring. By holding the shaft, a worker can secure the C-shaped gripping member about the spring. The S-cam can be used as a fulcrum for the shaft, allowing the spring to be expanded as necessary for removal or attachment. The shaft may also include a light for illuminating dimly lit work areas.

Abstract: A prewinder apparatus attached to a drive tool to install helical coil inserts includes an adapter attached to the drive tool. A rotatable tubular sleeve in the adapter is engaged with the tool drive and has opposed engagement walls of a longitudinal slot extending through a hollow portion. A mandrel has a threaded first end and a pin transversely extending from a second end positioned within the longitudinal slot. A stop slides within the adapter member and rotatably receives the sleeve. The stop has a plurality of external threads. A stop regulator rotatably disposed in the adapter member has internal threads engaged with the stop external threads. The stop is axially displaceable within the adapter member and infinitely positionable along the stop external threads by manually rotating the stop regulator. A ball or male detent member biased to engage detent cavities of the stop regulator provides predetermined stop axial displacement.

Abstract: A spring-compression apparatus for facilitating maintenance of a strut assembly comprises a guide member, a carriage assembly, and a spring-channeling assembly. The guide member comprises a first member end and a second member end. The carriage assembly comprises a jack assembly and a slide assembly. The jack assembly is operable to otherwise displace the slide assembly along the guide member. The slide assembly comprises a locator assembly, which comprises a locator extension arm and a pivotable strut end interface. A strut spring is receivable in the spring channeling assembly as laterally engaged therewith. The strut end interface is engageable with a strut end for compressing the strut spring. The locator assembly further enables a user to remove a mounting nut from the interface-engaged end when the strut spring is compressed, thus enabling strut assembly disassembly.

Abstract: A spiral spring retention wrench for removing a cable-retaining bolt from a sliding throttle valve of a carburetor. The wrench comprises a disk-like body having two, flat, opposed surfaces and a circumscribing peripheral edge extending between the surfaces. A depression, having a circular periphery is centered on one surface of the body. The diameter of the depression is such as to receive an end of the spring and hold that end during use of the wrench to remove the bolt. On the other surface of the body a centrally disposed depression for receiving a head of the cable retaining bolt in a manner so as to grip the bolt head and act on it either to release or tighten the bolt when the wrench is rotated.

Abstract: A device for compressing a coiled spring comprised of multiple coils used in combination with a motor vehicle suspension strut under tension including a first hollow tube and a second smaller tube adapted to fit slidably into the first hollow tube. First and second compressor plates are provided to engage spaced coils. A rotatable drive shaft compresses the coiled spring to reduce tension against the strut's retention end plates to enable the safe, quick and easy removal and replacement of the strut. Each compressor plate consists of an open ended slotted central portion and two side sections defining an upper slotted section and a narrower bottom slotted section with an annular interior edge. The upper slotted section is provided to seat coils with a large diameter. The bottom slotted section is provided to seat coils with a small diameter.

Abstract: The disassembling tool (30) is constructed such that the grip 55b of the arm 55 is inclined relative to the fixed portion 55a and the bottom portion 53 downward to the base 31 at an angle ?1 (about 45° to 55°). Therefore, the vertical component Fv of the force F, which is force for pushing down the arm 55, may become larger and the horizontal component Fh of the force F may become smaller. And, the disassembling tool is prevented from slipping on the working bench S, causing easy and smooth disassembling work.

Abstract: An apparatus and method for use in assembling and disassembling a strut assembly having a shock absorber axially disposed within a coil spring includes a frame, a first section secured to the frame to support one portion of the strut assembly, a second section including a compression head secured to and axially adjustable relative to the frame, the second section including a compression element arrangement to impart a force on a second portion of the strut assembly and urge the spring to compress as the compression head is axially moved toward the first section, and urging structure to move the second section toward and away from the first section. The compression element arrangement includes at least three holders, each of the at least three holders is independently axially adjustable relative to the frame. The compression head includes a spider member having a hub with arms, the hub being secured to the urging structure, and each of the arms being secured to the compression element arrangement.

Abstract: A spring extension tool comprises a tool body and a tool positioning member. The tool body has two spaced apart fingers at a first end thereof and a lever attachment structure adjacent a second end thereof. The spaced apart fingers define a channel therebetween. A spring engagement face of each one of the fingers is inwardly sloping with respect to a straight longitudinal reference axis of the tool body. The tool positioning member is adjustably attached to the tool body such that a relative distance between the spaced apart fingers and the tool positioning member is adjustable.

Abstract: A method for installing a locking retainer in a tube to maintain internal components within the tube under compression comprising the steps of: a) providing an elongated retainer spring having large and small diameter sections with the large diameter section of a size for an interference fit with the interior diameter of the tube and the smaller diameter section of a size having a clearance with the interior diameter of the tube; b) inserting a smaller diameter section of an elongated tool into the larger diameter section of the elongated retainer spring; c) engaging a transition between the smaller and larger diameter sections of the tool against a transition between the larger and smaller diameter sections of the elongated retainer spring; d) inserting the combined tool and retainer spring into an open end of the tube containing internal components with an end of the smaller diameter section of the retainer spring entering the tube first; e) advancing the combined tool and retainer spring within the tube to

Abstract: An apparatus for replacing a shock absorber for another for automobiles, which supports and compresses a coil spring in a strut type suspension, in correspondence to various dimensions of shock absorbers is provided. The shock absorber replacement apparatus includes: a movable cart having a flat support table, wheels and a handle; an air cylinder installed on the support table; a fixed frame installed on a cylinder head of the air cylinder; a strut fixing unit which fixes and supports a lower portion of the strut onto the fixed frame; a rotatable semi-circular clip arm installed in an end of a piston rod of the air cylinder; a clip which is hung on the upper portion of a coil spring toward an end of the clip arm; and an air opening and closing pedal which opens and closes an air pressure to be introduced to upper and lower cylinder chambers of the air cylinder and thus descends and ascends the piston rod.

Abstract: A spring fixture (1) is provided for quickly installing or uninstalling a coil spring (36) in or from an electrical connector (3). The fixture includes an operation member (11) having a generally cylindrical handle (12) at an end thereof and an action member (16) assembled on an opposite end of the operation member by a screw cap (18). The action member defines a recess (1620) thereby forming a semi-circular bottom wall (1622) and a semi-circular inner wall (1624). During installing or removing the spring, the spring is received in the recess and surrounded by the inner wall. A method of using the fixture to install and remove the spring is also provided.

Abstract: A leaf spring spreader assembly comprising a tubular frame (20) having a V-shape with legs (22) extending in opposite directions from an apex (24) to a collar (30) welded to each of spaced ends with a screw (32) disposed in telescoping relationship with and extending axially out of each leg (22) to a plate (42) for engaging the end curl (34) of a leaf spring. A nut (36) has radial holes (38) for receiving a round rod to rotate the nut (36) for reacting with the collar (30) for moving the screw (32) relative to the frame. A bearing (40) is disposed about each screw (32) for transmitting thrust loads from and facilitating rotation of the nut (36). A tension spring (52) is pulled through the tubular frame (20) and connected to the second screw (32) and released to pull the inner ends of the screws (32) together to retain the nuts (36) in engagement with the bearings (40) to maintain the components together.

Abstract: The invention relates to faucet assemblies having removable components such as hand sprayers and spray heads. More particularly, the invention relates to a method and apparatus for retracting removable components of faucet assemblies.

Abstract: A spring compressor comprising an actuator with a body and a rod that are telescopically movable relative to each other and two jaws each comprising an attachment portion (2) for attachment to the actuator and a working portion (3) for engaging a turn of a helical spring (8, 9), the working portion (3) of each jaw comprising a first part (4) and a second part (12), one of the parts being connected to the attachment portion (2) and defining a track segment (5) for bearing against a portion of a spring turn, and the other part forming an arm (12) hinged to the attachment portion (2) or to the first part (4) in the vicinity of one end (5c) of the track segment (5) about an axis (11) that is substantially perpendicular to the surface of the track segment (5), and forming at its free end a zone for taking charge of a turn of the spring.

Abstract: A spring-compression apparatus for facilitating maintenance of a strut assembly comprises a guide member, a carriage assembly, and a rest assembly. The guide member comprises a first member end and a second member end. The carriage assembly comprises a jack assembly and a slide assembly. The jack assembly is operable to otherwise displace the slide assembly along the guide member. The slide assembly comprises a locator assembly, which comprises a locator extension arm and a center locator. The rest assembly comprises a center rest. A first strut end is positionable upon the center rest. The center locator is engageable with a second strut end for compressing the strut spring. The locator assembly further enables a user to remove a mounting nut from the second strut end when the strut spring is compressed, thus enabling strut assembly disassembly.

Abstract: A system for tensioning a coil spring with a spring vice (120), comprising a first and second pressure plate (40, 1) each, which are disk-shaped or strip-shaped and have a central opening (63, 3) each. The pressure plates (40, 1) can be caused to engage a spring turn of the coil spring each to tension the coil spring. A tensioning device is formed from a threaded pipe and a threaded spindle (41). The threaded spindle (41) has a spindle head (85), which is provided with a wrench profile and via which the threaded spindle (41) is axially supported at the first pressure plate (40) by means of a thrust bearing (43) and wherein the threaded pipe (2) has, at its end located axially opposite the spindle head (85), radially projecting radial fingers (31, 32), by which the threaded pipe (2) can be brought into pulling connection with the second pressure plate (1).

Abstract: A special tool for assembling and disassembling a remote-controllable model-car engine clutch has a head, and a prying claw formed to extend up from the head. The prying claw has an engage groove laterally in an upper section and a pushing groove formed in an upper end surface. The engage groove of the prying claw pries open a torsion spring of each of plural grasps of a clutch for disassembling each grasp from a base fixed with an engine. The pushing groove of the prying claw pries open the torsion spring and then assembles each grasp of the clutch one by one on the base. The special tool has double functions, lowering its cost and package and facilitating handling of assembly and disassembly of an engine clutch.

Abstract: A tool for compressing a coil spring includes a forcing screw having a threaded portion and a non-threaded portion, a first clamping member rotatable about the non-threaded portion, and a second clamping member rotatable about the threaded portion.

Abstract: A spring vice is provided with a tensioning device that can be axially introduced into a coil spring to be tensioned. A first disk-shaped pressure plate is provided with an opening and can be detachably connected to a first end of the tensioning device via its said opening. A second pressure plate is provided with an opening and can be detachably connected via its opening to an adjusting member of the tensioning device. The adjusting member is adjustable relative to the first end of the tensioning device. The tensioning device has a drive, especially in the form of a spindle drive, provided with a wrench profile accessible from the outside, at its second end, for adjusting the adjusting member. Each of the pressure plates has a circular tensioning surface which is limited toward the inside and the outside and is interrupted by a recess, for receiving a spring turn each of the coil spring to be tensioned.

Abstract: A tool for installing a helical coil insert in a tapped hole formed in a workpiece includes a tubular body having a bore extending along its axis, a mandrel coaxially disposed in the bore of the tubular body, a motor for rotating the mandrel, and an air cylinder for applying an axial force to the mandrel. The tubular body includes a recess at one end for carrying a helical coil insert in alignment with the bore. An opening in the tubular body allows a user access to the recess. The tubular body is moveable to position the helical coil into selective engagement with the mandrel, whereby rotation of the mandrel installs the helical coil insert a selected depth in the tapped hole of the workpiece. In addition, the mandrel slides axially within the bore of the tubular body to remove the tang from the helical coil insert upon installation of the helical coil insert in the tapped hole.

Abstract: A spring fixture (1) is provided for quickly installing or uninstalling a coil spring (36) in or from an electrical connector (3). The fixture includes an operation member (11) having a generally cylindrical handle (12) at an end thereof and an action member (16) assembled on an opposite end of the operation member by a screw cap (18). The action member defines a recess (1620) thereby forming a semi-circular bottom wall (1622) and a semi-circular inner wall (1624). During installing or removing the spring, the spring is received in the recess and surrounded by the inner wall. A method of using the fixture to install and remove the spring is also provided.

Abstract: A removal and installation device for external and internal snap rings that can switch to a shaft mode and a hole mode by extremely simple operation and produces more excellent effect in controllability, workability, serviceability and easiness in handling is provided.

Abstract: A pair of pincers for assembling and disassembling the springs of the brake shoes in a drum brake includes a position lever and a hook lever pivotally combined together. The position lever has a ball joint on top for fitting a position member. The hook lever has its upper end formed with a hook facing the position member. The position member has a sleeve fitting and turning around the ball joint, and ratchet teeth provided on top. The pincers has two handles one of which has a groove and a blocking member at the lower end. Thus, the ratchet teeth of the position member grab the outer wall of the brake shoes, and the hook of the hook lever hooks the end of the spring to disassemble the spring. The end of the handle hooks the end of the spring and is slightly pried to assemble the spring.

Abstract: An apparatus for removing helical thread inserts having a removal notch formed along a female thread surface. The apparatus can selectively extract helical thread inserts by selectively engaging the removal notch and actuating the end of the insert radially inward to prevent the end of the insert from engaging threads of the bore which it is disposed in. The apparatus includes a handle, a head attached to the handle, and a manually operable key. The head includes a bore formed therethrough having a central axis offset from central axis of the head, whereby the key is rotatably supported in the bore and includes an engaging lip for selectively engaging the removal notch of the insert and allowing for easier removal of the insert.

Abstract: A chartered type MacPherson strut spring compressor having a pivot adapter to permit force from the head of a forcing screw to the open surface of a trunion.

Abstract: A hand tool having at least one end configured with several circumferentially spaced resilient detent fingers defining the periphery of a cage for capturing and both transversely and longitudinally positively confining the annular periphery of a spring-retaining cup of a brake shoe assembly of a vehicular drum brake. A captured cup is pressed by the tool against the end of a brake shoe positioning coil spring and the cup is rotated one quarter turn to attach or detach the cup relative to the end of a retaining pin which passes through the center of the cup and secures the cup, coil spring and brake shoe to a brake shoe supporting plate on the drum brake shoe assembly. The cup is retained in the tool when separated from the brake shoe assembly. The tool may be configured with multiple cages, such as a double ended tool. It may also be in the form of a socket tool having only one cage.

Abstract: A pair of pincers for assembling and disassembling the spring of the brake shoes in a drum brake includes a position lever and a hook lever preset in its form, having respective grip at a lower portion and pivotally combined together. The hook lever has a hook formed on a top end and the position lever is fitted with a position member capable to rotate freely therein and the position member has ratchet teeth provided around on an upper end. Thus, the ratchet teeth of the position member are forced to firmly hold the outer wall of the brake shoes, and the hook of the hook lever hooks the spring of the brake shoes and then hold close two grips to disassemble it with quickness.

Abstract: A spring compressor of the type having a base, a post, upper spring mounting members fixedly mounted on the upper portion of the post, lower spring mounting members slidably mounted on the lower portion of the post, and a moving device for moving the lower spring mounting members toward the upper spring mounting members to compress a spring mounted between the spring mounting members. The upper spring mounting members have spring engaging elements, preferably in the form of angle irons, for engaging the top of the spring assembly. The spring engaging elements can include retaining bolts for preventing movement of the spring assembly toward or away from the post. The spring compressor can also have adapters mounted on at least one of the upper and lower spring mounting members to engage portions of the side of a coil of the spring.