Abstract: A piston assembly for a shock absorber comprises a piston rod which is formed with a threaded opening which extends axially and opens to an axial end, about which a piston body is mounted. A stud which is separately formed and independent of the piston rod, and extends through the piston body, engages with the threaded opening for securing the piston body thereonto.

Abstract: An improved connection assembly which saves space and eliminates the need for many conventional fastener means such as nuts and flanges. The assembly includes a receptacle for accepting and engagement member, wherein a small amount of clearance is present between the receptacle and the engagement member. The engagement member includes a slot having two substantially parallel surfaces. A threaded fastener is used to fix the engagement member within the receptacle by passing the fastener through an opening in the bottom of the receptacle and causing the threads of the fastener to cut into and engage the surfaces of the slot.

Abstract: A fluid cylinder assembly comprising a fluid cylinder having ports disposed at opposite ends thereof communicable with a source of fluid under pressure, a piston disposed in said cylinder having a first rod section extending through an end of said cylinder, extendable and retractable relative to said cylinder, the first piston rod section having an axial bore, a second piston rod section having a guide portion disposed in the axial bore of the first piston rod section and axially displaceable relative the first piston rod section, and means for detachably locking the first piston rod section to the second piston rod section.

Abstract: An improved structure is provided for connecting an end of an elongate member to an end plate. The end plate is provided with an aperture for receiving a fastener having a threaded shank adapted for extending through the aperture and having a head for engaging the end plate. The structure includes at least a first slot in the elongate member. A retaining member is provided for being positioned in the elongate member slot. The retaining member has two oppositely extending end portions for each projecting laterally beyond the elongate member and engaging the elongate member. The retaining member defines a threaded bore for threadingly receiving the threaded shank of the fastener.

Abstract: A flat member (22) is attached to a lower end of a support leg (14) so that it extends horizontally from the support leg (14). An expansion clamp assembly (24) is carried by the member (22). This assembly (24) is plugged into the tubular lower end portion (26) of the support leg (14). Wing portions (58) of a nut wing washer (50) are deflected by the insertion of the assembly (24) into the tubular portion (26), and the wings (58) are biased into a tight gripping contact with the inner tubular portion (26). This secures the nut wing washer (50) and a nut (46) against rotation. Then, the member (22) is rotated, relative to the support leg (14), causing a relative endwise movement of a stud (28) carried by the member (22) into the nut (46).

Abstract: A mounting adapter for a centrifuge includes an internal chamber having a lifting and a locking surface therein. The head of a connecting member is captured in the chamber and is rotatable by a tool insertable through an access bore in opposed angular directions. Rotating the connecting member in one direction brings it into abutting contact with the locking surface to hold tapered surface surfaces on the adapter and on the spindle in locked engagement. Rotation of the connecting member in the opposed direction causes the same to abut against the lifting surface to assist in separating the tapered surface from each other.

Abstract: An exercise machine weight guide including an uppermost plate with a centrally disposed mounting hole. The mounting hole is designed to accommodate a threaded plug and a securing plug. A weight post with one threaded end and a number of apertures disposed along its length is inserted through the opening of the uppermost plate. The threaded plug has internal threads for securing over the threaded end of the weight post. The securing plug is positioned over the threaded plug and engages, of a corresponding set of threads, with the threads located within the mounting hole. A number of weights are disposed below the uppermost plate. The lower surface of each weight has a groove which allows a connector pin to pass under the weight and through an aperture of the weight post. The threaded plug is rotated to tighten the assembly to form a single mass of weight and securing plug is rotated to tighten against the threaded plug locking the threaded plug in place. To change the weight, the procedure is reversed.

Abstract: A newel post fastener and rail attachment consisting of a bolt or screw perpendicularly oriented and fused to the center of a metal disk, with holes encircling its periphery, allows the joining of newel posts to the floor or stair tread and joining of railing to newel posts such that the fastener means is not visible after connection of the members. In the manner of fastening the newel post to the floor, the need for additional millwork to conceal the means of fastening is obviated.

Abstract: An assembly rigidly joining a pair of tubular members together includes one tubular member having a shaped slot formed in its side wall for receiving the open end of another tubular member. An eyebolt has an eye projecting at the center of the shaped slot and a threaded end projecting on the side wall opposite the shaped slot. The open end of the other tubular member is inserted into the shaped slot an a cross bolt which passes through apertures in the side wall near the open end engages the eye such that when a nut is tightened up on the threaded end of the eyebolt, the other tubular member is axially drawn into abutment with the one tubular member forming a rigid, mechanical joint between the two tubular members.

Abstract: A system of combining any one of a plurality of driving modules (e.g., electric motors) with any one of a plurality of driven modules (e.g., speed reducers) is disclosed. Each of the driving modules has an output shaft and each of the driven modules has an input shaft. One of these shafts of the combined driving module and driven module combination has a tapered outer surface, and the other of these shafts has a tapered socket therein, with the tapered outer shaft being coaxially received within the tapered socket, and with the taper of the outer surface and the taper of the socket being substantially the same. A draw screw is provided for locking the shafts in coaxial coupled relation. Driving modules are directly connected to driven modules through frame mating surfaces and the aforementioned tapered shaft/socket connection. When the driven module is assigned a mechanical service factor of 1.0 or greater, an adapter is interposed between the driving and driven modules.

Abstract: A tube connector comprising a first member and a second member, each member being made from a sheet metal stamping. Each member includes an annular portion, a tubular barrel, and plural legs. The tubular barrel extends from an inner periphery of the annular portion. The legs extend outwardly from the annular portion and are adapted to flex axially so as to facilitate insertion of such member into the tube through one end of the tube. The legs have sharp edges tending to dig aggressively into an inner wall of the tube so as to resist withdrawal and rotation of such member. The tubular barrel of the first member fits within and extends through the tubular barrel of the second member and is crimped at one end so as to secure the tubular barrel of the second member bears at one end agains the annular portion of the first member. The tubular barrel of the first member is internally threaded and consequently deformed so as to fit tightly within the tubular barrel of the second member.

Abstract: A hanging compartment support system has a hanger frame including a pair of parallel hanger support rails connected at their ends to a pair of parallel support beams having pin means extending outwardly at opposite ends to be removably positioned in keyhole openings on vertical columns of a main support frame; a second hanger frame is identical to the first hanger frame except for the provision of cantilever support flanges extending from each end of its support beams for resting support on one end of one of the lower flanges of shelf support beams mounted on the main support frame.

Abstract: A support leg (14) is attached to a ceiling structure (10) by means of a threaded stud (12) which mates with a threaded opening (18) in an insert (16) which is swage connected to the upper end of the support leg (14). A flat bar (22) is attached to the lower end of the support leg (14) so that it extends horizontally and makes a "T" with the support leg (14). An expansion clamp assembly (28, 36, 40, 44, 46, 50, 74) is carried by the bar (22). This assembly is plugged into the tubular lower end portion (26) of the support leg (14). Wing portions (58) of a nut wing washer (50) are deflected by the insertion of the assembly into the tubular portion (26), and edges (62) of the wings (58) are biased into a tight gripping contact with the inner tubular portion (26). This secures the nut wing washer (50) and a nut ( 46) against rotation. Then, the member (22) is rotated, relative to the support leg (14), causing a relative endwise movement of a stud (28) carried by the member (22) into the nut (46).

Abstract: A quick change gear apparatus provides a system which shortens time of spindle machine gear changes to approximately ten percent of that previously required for gear change operations. In a preferred form, the apparatus includes a cylindrical spacer juxtaposed against a face of a gear which is secured between the spacer and a shoulder on a gear shaft. A split washer is also employed to permit the quick change operation by virtue of the loosening of a cap screw secured in a free end of the gear shaft. The cap screw contains a head which retains the split washer and assures that the split washer is urged axially against the spacer and gear members on the shaft. A partial turn of the cap screw will enable radial removal of the split washer, to thereby permit subsequent axial removals of the spacer and gear.

Abstract: The liner used in the combustor and other components is fabricated from a cylindrical shell and segmented panels attached to the shell. The attachment includes a self-locking nut and flexible bushing mounted on a post extending from the panel to protrude through a hole formed in a shell, thus permitting assembly in a limited space.

Abstract: A pump plunger formed from a centrally bored cylinder of a preferred compound having counterbored ends provided with inwardly converging counterbore inner end limits for thermally shrinking and centering a bolt and its nut therein. One end of the bolt projects beyond the cylinder and is threadedly connected axially with a plunger mounting shaft. The cylinder is turned concentric with the mounting shaft.

Abstract: This disclosure relates to a joining structure for use in connecting pipes or tubes such as those which form a bicycle frame. The structure comprises a joining cylinder and a cylindrical part secured to the joining cylinder, the joining cylinder having an opening therein adapted to receive a pipe. A wall having a through hole is formed inside the opening of the joining cylinder, and an internal thread is formed in the internal periphery of the pipe. A core having on its external periphery an external thread which corresponds to the thread of the pipe is threaded into the pipe. The core has a threaded hole aligned with the through hole, and a bolt is provided for joining the wall and the core in such a manner that said bolt engages the wall and the core for joining the cylinder with the pipe.

Abstract: A handle for a shopping cart comprised of elongated tubular member having opposed securable ends. At each end of the tubular member there is provided a lock pin formation which extends outwardly thereof to be received in an arresting passageway of an attachment portion of a respective handle support arm secured to a shopping cart. A fastener element secures the ends of the tubular member to a respective one of the support arms and extends axially into the tubular member for retention of the lock pin formation in the passageway thereby preventing axial rotation of the tubular member. The end cross sections of each tubular member also constitutes an arresting formation which is nested in a retention cavity formed in the handle attachment portion of each of the handle support arms. This formation is received in close fit in the retention cavity to further prevent axial rotation of the handle.

Abstract: Vandal resistant playground equipment is provided including a pair of parallel U-shaped pipes provided with outwardly extending flange plates which support tubular sleeves which extend in transverse alignment from opposite sides of each flange plate. Horizontal pipes have opposite ends received in the tubular sleeves and extend between the flanges of the U-shaped pipes and are bolted to the pipes by bolts enclosed within one sleeve and extending through an aperture in the flange and engaged with a threaded plug in the end of each pipe.

Abstract: A hollow sheet metal handle for fastening to a welding bolt weldably secured to utensils. The welding bolt has a triangular or polygonal cross section and a bore having an internal thread. A shaped part of sheet metal is welded to the utensil in the connecting part of the hollow handle, which shaped part forms a front-side contact surface for the welding bolt. At least two plates are provided on the shaped part, which plates laterally guide the aluminum bolt. A bore for receiving a fastening screw is arranged in the contact surface of the shaped part.

Abstract: Disclosed are improvements in a coffee-making machine of the type having an elevated cool or cold water basin from which cool or cold water drains into a fill tube extending down to adjacent the bottom of a hot water reservoir, the fill tube being suspended from the underside of the cover or lid on the reservoir. The cool or cold water displaces hot water to a spray head disposed over a brewing funnel. One specific improvement pertains to the means by which the cold water basin is attached to the reservoir lid. Another specific improvement pertains to the means by which the upper end of the fill tube is suspended from the reservoir lid. The combination of these improvements provides a convenient, secure and economical means of assembling these related components of the coffee-making machine.

Abstract: A bracket for attaching a side rail to a headboard and a footboard to form a bed having an L-shaped body portion with a side section and an end section, means releasably securing the side section to the side rail, threaded means within the body portion end section to cooperatively receive screw means extending through at least the headboard to hold at least the headboard securely against the body portion end section and the side rail end portion.

Abstract: The improved joint connection provides a separate stress ring for each of the compressive loading zone and tensile loading zone at the end of a timber beam and a central stem secured to one ring and unsecured to the other ring. The connection is such that shrinkage in the timber beam along the major axis of the cross section can be accommodated by movement of the unsecured stress ring relative to the stem. A plate is provided at the end of the stem to retain the moveable stress ring in the joint connection.In one embodiment, a pair of one-piece connectors can be secured at the end of each timber between the timber and the respective stress rings of the joint connection.In another embodiment, a second pair of coaxial and concentric rings may be employed with the outer rings being of polygonal shape to have flat sides against which the respective beams may be secured.In still another embodiment, the stress rings and stem may have a polygonal shape.

Abstract: A grill guard for a vehicle front end comprises a pair of upstanding end plates configured to extend forward and upward from a vehicle front bumper, and a cross tube extending laterally between the end plates. A one-way push-in screw retainer frictionally interlocks with the inner wall of the tube to resist removal therefrom. Disclosed are molded peripherally flanged end plates, with end plates, cross tubes and mounting brackets of molded plastics material. The cross tubes are shaped to incorporate lamp units. Headlight guards are mountable on the end brackets.

Abstract: A support leg (14) is attached to a ceiling structure (10) by means of a threaded stud (12) which mates with a threaded opening (18) in an insert (16) which is swage connected to the upper end of the support leg (14). A flat bar (22) is attached to the lower end of the support leg (14) so that it extends horizontally and makes a "T" with the support leg (14). An expansion clamp assembly (28, 36, 40, 44, 50, 46, 74) is carried by the bar (22). This assembly is plugged into the tubular lower end portion (26) of the support leg (14). Wing portions (58) of a nut wing washer (50) are deflected by the insertion of the assembly into the tubular portion (26), and edges (62) of the wings (58) are biased into a tight gripping contact with the inner tubular portion (26). This secures the nut wing washer (50) and a nut ( 46) against rotation. Then, the member (22) is rotated, relative to the support leg (14), causing a relative endwise movement of a stud (28) carried by the member (22) into the nut (46).

Abstract: A joint connects an arm to a shaft. A split collar which clamps onto the shaft has a radial passage which registers with the transverse passage through the shaft and an end of the arm engages through the two passages. The split collar is clamped tightly onto the shaft and against the arm externally of the shaft.

Abstract: This invention relates to an improved connector construction for releasably connecting one tubular member to another. A first tubular member has an aperture contained therein. A screw fastener member is mounted in the aperture. The screw fastener has an enlarged portion on the exterior of the tubular member preventing the screw fastener from passing through the aperture into the interior of the tube. The screw fastener member has a second enlarged portion within the tube. The space between the first and second enlarged portions is less than the thickness of the tube to hold the screw fastener member frictionally in the tubular member and to prevent rotation of the screw fastener member relative to the tubular member. A second tubular member has a portion positioned adjacent to the aperture in the first tubular member and the screw fastener member. A second screw fastener member is rotatably mounted in the second tubular member and is held therein.

Abstract: A submersible motor pump assembly having an improved driving connection between the motor and pump. The motor shaft and pump shaft are disposed in end-to-end relation and a bolt extends through an axial passage in the pump shaft and the projecting end of the bolt is threaded in an axial opening in the end of the motor shaft. The outer or opposite end of the pump shaft is formed with a recess that communicates with the passage and the head of the bolt is fixed against rotation with respect to the pump shaft by a bolt retainer which is disposed with the recess. A shear pin interconnects the mating ends of the two shafts to provide a driving connection. The hand of the thread on the bolt is such that rotation of the motor shaft, after shearing of the shear pin, will cause the bolt to be unthreaded from the motor shaft to prevent locking up of the shafts.

Abstract: A joint connection for space frameworks made of rods and joint members wherein the joint members have concentric threaded bores for receiving threaded bolts for the connection of the rods with the joint members. The required torque is applied by means of screwing tools through non-rotatable but axially slidable drive sleeves on the threaded bolts. The drive sleeves inserted between the rod ends and joint members are also used to bias the threaded bolts so strongly that the bias force is greater than the charges from the outside which have a dynamic effect, in order to avoid the danger of fatigue fractures. For this purpose, each drive sleeve may be formed of three parts which, on the basis of cooperating helical surfaces with suitable relative rotation of the middle part relative to both outside parts, are axially adjustable in opposite directions to axially bias the threaded bolt to lengthen it and therewith to axially bias it.

Abstract: A holder for releasably securing an elongated bar, e.g. a cutting blade, to a drive-means comprises: (a) a holder body adapted to be connected to the drive means and having a substantially flat outer face for guiding and holding the bar; (b) an engaging means biased outwardly from the flat outer face to engage a hole in the bar; and (c) a wall spaced apart from and opposing the flat outer face and connected thereto by a spacing means to form a guiding recess for the bar formed along a longitudinal side edge of the flat outer face and having openings at both longitudinal ends of that face. An elongated cutting blade can be adapted to fit in this holder and the blade-holder combination is especially useful on rotary lawn mowers. The blade is quickly and easily released from the holder for sharpening or replacement.

Abstract: An improved blowout preventer stack including a plurality of ram type blowout preventers, an annular blowout preventer, a plurality of tie rods connecting said blowout preventers into a stack, the upper ends of the rods being secured to the side of the upper member of the stack and the lower end of the rods being secured to the lower end of the stack with securing means to maintain the preset tension in the tie rods. An improved test stump is provided to support the stack and connect to and exert tension on the tie rods responsive to pressure supplied to the test stump to preset the tension therein.

Abstract: A windshield wiper assembly including a one-piece plastic shaft and crank coupling the drive unit to the driven assembly.

Abstract: Apparatus for the rotary production of fibers comprising a flanged rotatable shaft with the spinner positioned on the flange and retained substantially in fixed relationship to the shaft by means of bearing means slideably positionable along the shaft.

Abstract: A building construction system that permits the erection of a modular-skeleton structure type building in a very short time utilizing relatively unskilled labor. The construction of vertical metal profile posts which extend from the foundation to the horizontal roof girders in a single unit of uniform cross-section. The roof girders are attached by means of slotted tension bolts. The one-piece vertical profile posts have a cross-section which is essentially the combination of a T-section and an U-section. In the lower part of the building, basement wall elements extend into the vertical profile posts with their angled legs on the inside of the building. In this position, they are secured by a bracing tube.

Abstract: An adapter or machine tool holder for cutters and the like and having a centrally disposed flanged piece with a support means extending axially therefrom in one direction and a hub member axially projecting from the flanged piece in the other direction, abutment member or members extending from the surface of the flanged piece adjacent the hub for engaging a load element such as a cutter and the like for retaining the load element in engagement and preventing the load element from rotating on the holder independently thereof.

Abstract: An installation and retainer cap is disclosed for making a secure connection between an annular internally splined collar member and an externally splined shaft end. The cap includes a cap body, a threaded driving shaft extending from the inner side of the body engaging a threaded bore in the end of the shaft, and an outer flange engaging the annular collar member. When the cap is driven in to make the completed connection, the outside face of the flange is substantially flush with the outside face of the annular collar member. Recesses are provided in the end of the shaft and in the outside face of the annular collar member to accommodate the body and the flange, respectively. A washer cooperating with the outer flange allows relative turning movement during the driving of the collar into position. An indicator pin provides an indication when the annular collar is fully installed on the shaft. An alternative embodiment utilizing a separate cap and driving bolt is also disclosed.

Abstract: A tee joint in a tubing structure including a running tubing member and an abutting tubing member forming a tee joint, a transitional connector having a saddle shape to receive therein the running tubing member on one side thereof and a recess on the other side thereof to receive the end of the abutting tubing member, a tapered plug threadedly connected into the end of the abutting tubing member with a nut encapsulated in the plug, and a bolt passing through and joining the running tubing member to the nut.

Abstract: A fastening device is disclosed for joining two members, for example tubular members, together, one of the members having a recess in an end which is to abut the other member. The device includes wedge elements which are moved relative to one another to engage opposed internal walls of the recess in the one member so that by attaching one of the wedge elements to the other member the members are secured to one another. Deformable links interconnect the wedge elements to initially retain the elements in their operative positions but to subsequently deform when relative movement is produced between the elements.

Abstract: A sprinkler head has a pop-up riser having a nozzle at the upper end thereof for directing a desired flow of fluid therefrom; the riser contains a turbine drive device for rotating the nozzle in response to fluid passing through the sprinkler head; the nozzle having a sealing surface with a part of the sprinkler head; the nozzle being biased against the part so that fluid passing through the nozzle decreases the force biasing the nozzle against the non-rotating part. A modification of the nozzle and turbine drive is disclosed. The modified nozzle is biased against the non-rotating part at a predetermined sealing load which has a minimum effect by the pressure of the fluid flowing through the nozzle. The turbine drive has a gear drive housing filled with fluid and sealed from contact with the fluid passing through the sprinkler head by a capillary tube.

Abstract: In the first embodiment, the invention comprises an imperforate turbine wheel having a hub of polygonal cross-section engageable with a hollow shaft of polygonal conformation, and a thrust collar and bolt for fastening the shaft and wheel together.

Abstract: To reduce the axial length of the dynamo electric machine--remote rotating apparatus combination, in which the remote rotating apparatus, typically, is a gas turbine, the operating shaft of the remote apparatus is formed with a conical recess, and a claw-type rotor, rotating between a fixed field structure and a fixed armature structure is formed with a hub having a conical projection fitting into the conical recess and no other bearing. The shaft, thus, can be terminated flush with the remote apparatus housing structure, which can be formed with additional locating elements, such as a flange, accurately concentric with the center of the shaft for positioning of the dynamo electric machine against the remote apparatus in accurately aligned position.

Abstract: Rotary expansible chamber devices include slant-axis rotary apparatus such as engines, compressors, pumps, and the like. Eccentric rotating members of such apparatus generate thrust and bending loads of high magnitude during operation thereof. The rotor shaft of the apparatus is subjected to severe bending and thrust loads which tend to fatigue various connections in the apparatus. The present invention provides a connection for counteracting the bending loads, including a bolt (21) extending through a rotor shaft (15), a nut (28) threadably mounted (27) on an end of the rotor shaft, and portions (30,31) of the rotor shaft (15) and bolt (21) which are disposed closely adjacent to the nut (28) and are further disposed in press-fit relationship relative to each other. Thus, bending loads imposed on the rotor shaft are transmitted directly to the bolt but not to the screw threads during operation of the apparatus.

Abstract: A device for attaching a plate (12) to a post (14) with a plurality of rectangular apertures (18) equally spaced about the post (14). A plurality of arms (16) are engaged in the post (14), each arm including a retaining end (30) joined to a flat portion (22) by a waist (28). The end (30) is dimensioned to pass through the longer dimension (32) of the rectangular aperture (18) but not through the shorter dimension (34) of the aperture (18). The waist is dimensioned to fit within the shorter dimension (34) of the aperture (18). The flat portion (22) of the arm (16) has a hole (24) threaded to receive a bolt (20). A leg portion (26) extends from the flat portion for contacting the plate (12). Tightening the bolts (20) clamps the plate (12) into abuttment with the post (14) and the legs (26) of the arms (16).

Abstract: A U-shaped member having an aperture in the bottom wall thereof and axially aligned apertures in each of the side walls at a point remote from the bottom wall is placed over the edge of a panel such as a sheet of composite board intended to be used as the back of a chair. The U-shaped member carries a nut on the inside surface of the bottom wall in line with the aperture and is securely held in place on the edge of the panel by a rivet passing through the apertures in the side walls and a hole drilled through the surface of the panel. An article such as a portion of the chair frame is secured to the edge of the panel by an elongated bolt which passes through the frame, through the aperture in the bottom wall of the U-shaped member and which is then screwed into the nut being held in place by the U-shaped member. The free end of the bolt enters a hole previously drilled into the edge of the panel in axial alignment with the nut and the aperture in the bottom wall of the U-shaped member.

Abstract: A camshaft post assembly is mounted onto an axial end of a camshaft and axially extends therebeyond. The camshaft post has an outwardly extending rim which has a sprocket ring mounted thereon and an eccentric pilot surface with a fuel pump cam mounted thereon and at its outer axially end a helical distributor gear frictionally locked thereon. The cam post has internal passages for lubricant which allows an oil pump to pumpoil therethrough which passes the oil through the camshaft, through the cam post, and through outlets which centrifugally spray oil onto the sprocket ring and distributor gear.

Abstract: This device relates to a structural material or joint comprising the combination of: a connector capable of connecting a rectangular pipe in an arbitrary direction, a spacer possible to insert into a penetrating hole perforated in the connector, a rectangular pipe which can be connected with a joint rod of the connector, and a pipe which is possible to install to the spacer.Especially, the structural material or joint according to this device relates to those capable of assembling the structures such as wall face in the shop and inside and outside the house, shelf of the ceiling etc., ornamental materials and the skeleton for the wall face and the like briefly and solidly.

Abstract: A set of wooden members assembly comprises a plurality of elongated pillar members having a number of grooves provided on the peripheral surface thereof for receiving the tongues of spar members, each of the grooves being provided with a through hole therein for receiving a screw bolt; a plurality of first elongated spar members having a bushing provided therein separately; and a plurality of second elongated spar members each having a radial through hole provided at an end thereof. One may easily assemble these members to form a certain object by inserting a screw bolt from outside of the through hole of the pillar member through the radial through hole of the second spar member to engage with the bushing provided within the first spar member.

Abstract: A fastening assembly is provided for securing structural parts at least one of which has an externally exposed appearance surface. Mounting bosses protruding from the wall of the appearance surface have a longitudinally extending cavity formed therein which is substantially parallel to the exposed surface and is located a distance from the surface approximately equal to the thickness of the wall. The cavity may be configured to receive a screw, or, alternatively, a separate screw receiving passageway may be located tangential to or independent of the cavity for securing the parts together.

Abstract: The invention concerns an anchoring device, more particularly a screw anchoring device, for insertion in an opening, e.g. in the end of a tube, to there form an anchor for a screw or bolt introduced into the opening. The device comprises an internally threaded locking body, preferably a conventional hexagonal nut, and a sleeve which is shaped, at least at one end thereof, to provide a tip portion, e.g. by being cut off obliquely. The device is inserted into the opening with the screw engaging the locking body and loosely accommodating the sleeve, whose tip portion is facing the body. In tightening the screw the locking body becomes wedged between the tip portion of the sleeve and an opposing portion of the wall of the opening. The union body-sleeve will then form a solidly fixed anchor for the screw, which itself can be loosened and tightened as desired.

Abstract: An output gear of a power transmission is drivably connected through an idler gear to an input gear of a final drive unit having a differential. The idler gear is mounted through a pair of tapered roller bearings on a sleeve shaft which is supported by opposite two walls between which the idler gear is located. An end portion of the sleeve shaft is adjustably received within a recess formed at the inner surface of one of the walls in a manner that a bolt securing the sleeve shaft is screwed into a boss formed in the recess of the wall.