Abstract: A trunnion assembly, comprising at least two pivot-engagement sides located opposite each other, each of the at least two pivot-engagement sides including an attachment hole, each attachment hole including a threaded area and a counterbore, the at least two attachment holes being generally coaxially located relative to each other; and at least one through-hole perpendicular to and midway between the two attachment holes of the pivot-engagement sides; a fastener releasably attached to each of the at least two attachment holes, the fastener including a head and an at least partially-threaded shaft, and a pivot tube disposed around each of the fasteners between the head and the attachment hole, the pivot tube including an inner diameter larger than the diameter of the shaft and an outer diameter smaller than the diameter of a circumscribed circle of the head of the fastener and smaller than the diameter of the counterbore.

Abstract: A paint brush system. A lower component has a handle with an axis and a lower disk. The lower disk has interior and exterior surfaces. The axis of the lower disk is at a right angle with respect to the axis of the handle. An upper component has a base with bristles in a bristle plane. The upper component has an upper disk with interior and exterior surfaces. The axis of the upper disk is at a right angle with respect to the axis of the base. An adjustment assembly is intermediate the upper and lower components. The adjustment assembly includes teeth projecting axially outwardly from one of the disks. An annular surface is radially exterior of the teeth. The adjustment assembly includes recesses projecting axially inwardly from the other disk. An annular surface is radially exterior of the recesses.

Abstract: The invention relates to an elastomeric joint, comprising a housing with a through-opening which extends axially along the longitudinal axis of the elastomeric joint, a pivot pin which extends through the through-opening of the housing, an elastomeric body which is fastened to the pivot pin and is arranged radially between the pivot pin and the housing, and with at least one supporting ring which is fastened to the elastomeric body on one end face of the through-opening, wherein a wire ring locks the supporting ring with respect to the housing, with the result that the pivot pin is held in the housing in an axially secured manner.

Abstract: A ball and socket joint which comprises a joint ball which is enclosed and rotationally supported by a ball socket. The ball socket has two socket parts that move axially relative to one another, and the socket parts act on opposite sides of the joint ball in the axial direction. An adjusting device has a transmission and drive by which the socket parts can be moved toward one another in the axial direction and exert pressure on the joint ball. The transmission comprises a first part which has tracks that rise in the axial direction and curve around a rotational axis oriented in the axial direction and in which a ball is guided. A second part, which contacts the balls, is disposed between the transmission parts in the axial direction. The balls and the first part can be rotated relative to one another about the rotational axis by the drive.

Abstract: A pivot socket includes a housing with an inner surface providing a cavity extending between a substantially closed end and an open end. A cartridge bearing is received in the cavity with a spring disposed between the closed end and the cartridge bearing. The cartridge bearing has an inner surface with a cylindrical portion and conical portion converging inwardly from the cylindrical portion. The cylindrical portion houses a tapered bearing for relative axial movement therewith. A stud having opposite first and second tapered surfaces diverging away from one another is received in the cartridge bearing, with the first tapered surface engaging the tapered bearing for relative sliding movement therewith and the second tapered surface engaging the conical portion of the cartridge bearing for relative sliding movement therewith, thereby causing the relative axial movement between the tapered bearing and the cartridge bearing.

Abstract: A steering mechanism includes a relay rod and an idler arm operatively attached to a first end thereof. A pitman arm includes a stud and is operatively attached to a second end of the relay rod. A bushing is configured to allow displacement of the pitman arm relative to the relay rod. The bushing includes an outer can, an inner metal member, and a bushing disposed therebetween. The inner metal member has a tapered receptacle configured to mate with a tapered portion of the stud. The resilient member may include voids, which may be oriented generally perpendicular to a turning direction and may be tapered from the base to the opening. The inner metal member may have a generally-cylindrical portion and substantially-opposing outer flats interrupting the same. The outer flats are spaced by a distance smaller than the cylinder diameter and may be substantially parallel to the turning direction.

Abstract: A ball-and-socket joint (1) is provided with a housing (2) closed by a cover (3), with a bearing shell (5, 6) and a joint ball (4) accommodated therein rotatably and tiltably with a ball pivot. The bearing shell (6) provided with projections and offsets on its outside as well as an entropy-elastic, pretensioned spring element (7) are fixed by the cover (3) in the housing (2). The bearing shell is formed by lower and upper bearing shells (5, 6), both of which are closed, and the lower bearing shell (5) extending partially over the upper bearing shell (6) is provided on its overarching inside (5b) and the upper bearing shell (6) is provided on its outside (6a) with the projections and offsets (20, 21; 11, 12) with which the entropy-elastic spring element (7) cooperates in a positive-locking and/or non-positive manner under the action of the cover (3) in its closed position and nonrotatably couples the two bearing shells (5, 6) with one another.

Abstract: An assembly for restricting movement of the ball joint utilized in automotive vehicles and the like, comprising a socket (2), a bearing (3), an “O” ring (4), two retaining rings (5) and one protection cap (6). The bearing (3) functions to restrict movement of the ball pin to prevent the fall of the steering bar (7) of vehicles due to the fact that the bar (7) is long and curved. An o-ring (4) has a function to make the sealing between the bearing (3) and the ball pin. The retaining rings (5) serving to lock the protective cap (6) to prevent the entry of dust and other agents in the joint assembly, avoiding possible damages to the movable components of the same. The matching surfaces of the socket body and the bearing contact to limit relative movement therebetween, so that the movements of the suspension of the vehicles remain free, locking the bar in the sense of rotation around the line of action of the ball.

Abstract: A non-articulating joint assembly is disclosed having a bracket with a first generally cylindrical end that is received in a split-half bearing assembly that has a tapered outer surface. The tapered split-half bearing assembly matingly engages a tapered bore in the first housing of a socket. The tapered split-half bearing is slightly larger than the tapered inner bore to provide a radial pre-load on the assembly bearing. A cap bearing is located in the housing and engages the bottom surface of the tapered split-half assembly bearing. A closure member is located below the cap bearing and cooperates with a spring member and a rim of the first housing that is crimped over to securely hold the components in position and also provide an axial pre-load on the split-half bearing. Similarly, a second housing on the socket member has a second split-half bearing assembly and a second cap bearing assembly that receives a stud is provided. The stud includes a generally cylindrical end portion.

Abstract: An adjustable articulated positioning device is disclosed which utilizes at least two air-controlled clutch hinges that may be simultaneously unlocked to allow rotation of the articulating members about each hinge.

Abstract: A non-oscillating joint assembly is disclosed having a bracket with a first end having a tapered bearing portion and a flange located longitudinally upwardly of the tapered bearing portion. The bracket is received in socket member having a first housing. A cap bearing is located in the housing and has a tapered inner bore that matingly engages the bracket tapered bearing portion. The tapered bearing portion is slightly larger than the tapered inner bore to provide a radial pre-load on the cap bearing. An annular bearing is also located in the housing and is positioned so as to contact an upper surface of the flange. A closure member is located below the cap bearing and cooperates with a rim of the housing which is crimped over to securely hold the components in position and also provide an axial pre-load on the cap bearing. Similarly, a second housing on the socket member has a second end cap bearing and a second annular bearing that receive the stud.

Abstract: A masonry reinforcement system includes a number of tensioning rods extending from the top to the bottom of a masonry wall structure in spaced columns. In each column, several rod segments are interconnected at each floor diaphragm using a double conical connector assembly. In portions of the wall structure where rod columns cannot be placed, such as window regions, spring tensioning assemblies are installed using a similar double conical connector assembly. Each type of connector assembly is embedded in a pocket formed in the masonry wall structure using a hardenable grout. After installation, the rods are post-tensioned to provide a compressive axial load to the masonry wall structure. The spring tensioner assemblies are tensioned prior to applying the grout to the void in the wall.

Abstract: An inventive ball and socket joint has a metallic socket with a cavity that receives a semi-rigid annular bearing, a ball stud, and an annular rigid metallic retainer ring. The retainer ring is self-centering within the socket cavity. It includes a lower wedge portion that is received in a corresponding pocket formed between an upper stepped portion of the bearing and inner surface of the socket. Besides being self-centering, the retainer ring also acts as a wedge between the socket and bearing to provide a compression pre-load to the bearing which is controllably released as the bearing wears during use.

Abstract: A non-oscillating joint comprises a housing with an annular inner surface, an annular sleeve wedged within the housing, a stud with a radially outer bearing surface received in said housing, a radially outer bearing surface of the stud adjacent a radially inner surface of the sleeve, and an annular bearing wedged within the sleeve, the bearing having a longitudinally inner bearing surface contacting a longitudinally outer bearing surface of the stud. In a first embodiment of the present invention, both the radially outer bearing surface of the stud and the radially inner surface of the sleeve are generally conical, the stud wedged within the sleeve. In a second embodiment, a second bearing is wedged between the sleeve and the stud. The joint is subjected to additional compression pre-load when the housing is closed.

Abstract: A pumping unit is of the type having a compressor made up of a cylinder and piston extending between a walking beam and samson post, opposite connecting end portions of the compressor clampingly engaging the walking beam and samson post, respectively, and spherical bearing members of the non-lubricating type are disposed in each of the connecting end portions to undergo universal movement in response to any lateral displacement or side loading of the walking beam.

Abstract: Joint for mechanically connecting, on the one hand, a scanner for symbol codes and, on the other, a processing device for processing the signals produced by the scanner, for varying through a first angle the relative position of the scanner and the processing device at least provided with an at least partially conical axle for providing a first rotational axis, which axle is movable disposed in an at least partially conical recess in a supporting block, and further provided with at least one resilient element for pressing the axle in the recess. For varying the relative position of the scanner and the processing device about a second rotational axis, the joint is provided with a disc-shaped element which is connected to the axle through an arm. At least the disc-shaped element and the arm are preferably made hollow for passing a cable through the inside of the joint.

Abstract: A compound miter saw or the like comprising a base having a lower surface for supporting the base on a work surface. A turntable is rotatably supported by the base, and a fence is disposed above the work table for supporting the orientation of a workpiece located on the base. A support is coupled to the turntable at a rear portion of the turntable.The compound miter saw disclosed also includes a cuttinghead system for cutting the workpiece. The cuttinghead system comprises a pivoting system coupled to the support for pivoting a motor driven saw between a raised, rest position and a lowered, operational position.A compound miter saw beveling system comprises a male conical taper structure having an outer surface defining a cone-shaped member, the cone-shaped member being coupled to the support.

Abstract: The present invention aims to minimize the axial and radial clearance or play suppress a radial inertial movement in the pin joint connection portions of a machine operating link device. To achieve this, the present invention provides a joint connecting pin device for machine operating links adapted to change and retain the posture of the working unit of a hydraulic excavator or the like, the device comprising: thrust distributing and forming portions which are provided between end surfaces of pin boss portions on links on one side connected to a pin and opposed end surfaces of a link on the other side and which are adapted to distribute a thrust in the axial and radial directions; rigid-elastic annular members which are held by the thrust distributing and forming portions; and an axial movement device which is provided on at least one of the pin boss sections and which is adapted to impart a radial resilient force to the rigid-elastic annular members.

Abstract: A pivot shaft constructed with a holder having a base and a vertical mount for a sleeve with a pair of diametrically opposed notches to lock into, above the base is a spring, a washer, and a nut. The spring has one end inserted into a hole of the base and another blockaded by a outer edge of a washer. A shaft consisting of a head, a cylinder, and a threaded portion locks into the sleeve, the vertical mount, the spring, and the washer by engaging with the nut.

Abstract: A zero-play pin clevis joint for deployable space structures includes a tapered pin and tapered bores extending through a shackle and through a tang such that the tapered pin is received in the tapered bores. Spring washers urge the tapered pin into the tapered bores of the shackle and also urge the tang onto the tapered pin. Deployable truss structures use a plurality of the aforementioned zero play pin clevis joints to connect a plurality of truss tubes. The angle of taper for the various components is preferably about 12.degree. included angle.

Abstract: The self adjusting pivot joint with axial play for motor vehicles includes a housing and a pivot, rotatably seated at one end therein by means of a bearing of elastically deformable material, slitted in the lengthwise direction, whereby the outer conical bearing is fitted into a corresponding conical recessed portion of the housing and a prestressed spring is loaded in the direction of the conical tip, between the bearing, on one end, and a closing part of the housing, on the other. The pivot is provided with a peripheral recessed portion, which extends by its width in the direction of the lengthwise axis of the pivot and engages with an inner projection of the bearing, the width of which is less than that of the peripheral recess of the pivot.

Abstract: A link connecting structure includes a first and a second link member, a pin disposed between the two link members and having a tapered portion which engages with a complementary tapered hole in the second link member, and a resilient member for always urging the first link member in the direction of the second link member.

Abstract: A system for constructing buildings utilizing a conical connector to fasten rods connecting structural members of a building. The conical connector is a rigid, solid device, circular in section, with an axial bore. The connector has a flat top surface and bottom surface perpendicular to the bore, a ring-shaped flange midway between the top surface and the bottom surface, and a sloping surface between the top surface and the flange and between the bottom surface and the flange wherein the circumference of the connector as defined by the sloping surface increases as the flange is approached, forming a cone. The sloped surface of the connector engages a recess in a structural member of the building. A tensioning mechanism passing through the bore in the connector applies a coupling force to hold the connector against the structural member. A multiple cone connector for joining adjacent modules of a building may be formed by joining the flanges of at least two connectors to form a single continuous flange.

Abstract: A hinged butt joint for connecting struts to multijoint fittings used in space structures is disclosed as two end fittings pivoted together, one of which is bifurcated and the other having a cammed butt end extending between the bifurcation with a pivot pin through aligned openings so that the fittings are rotatable to a desired angular position. Nominal manufacturing tolerances are used throughout. A wedge is forcibly fitted into the base of the bifurcation when the fittings are colinear, and bonded to the base in that position during manufacture or assembly, to preclude freeplay in the joint under alternating compression and tension leads and to create a solid mechanical path though which load is transmitted and heat and electricity conducted.

Abstract: According to the invention, a prestress is applied to the bearing bush (17) to obtain a certain frictional torque between the latter and the spherical pivot while the locking ring (18) is placed on the bush (17); the punching tools (28) comprising a double die (30) are then actuated simultaneously in the direction of the socket (15) so as to deform the latter along two approximately circumferential and parallel zones located on both sides of the ring (18) to surround it without displacing it.

Abstract: A friction-based, motion damping assembly for a chairlift or the like is disclosed in which the damping assembly is mounted between a hub provided on a cable grip assembly and the chairlift hanger arm. The improved damping assembly is formed as a sleeve mounted to the hub of the cable grip with concentric rubber block members mounted around the sleeve. The hanger arm is formed with a collar having tapered surfaces, and an axially displaceable nut on the hub is used to wedge the rubber blocks into radial compressive engagement of the sleeve to generate the necessary compression of the sleeve about the hub for frictional damping.

Abstract: A backhoe frame is attached to the main frame of a host tractor vehicle at four points. A pair of upper mounting pins each pass consecutively through an outboard restraining plate in the vehicle main frame, a backhoe mounting collar integral with the backhoe frame and an inboard restraining plate. The mounting pin is a tight fit in the restraining plates and a loose fit in the backhoe mounting collar.

Abstract: An improved wear-indicating pivot joint includes a bearing assembly which supports a stud for both axial and rotational movement. The bearing assembly prevents sidewise tilting movement of the stud during axial and rotational movement of the stud about its own central axis. A wear take-up arrangement is provided to compensate for normal wear between a bearing surface and the stud. The wear take-up arrangement includes a spring which applies a force to a bearing member to continuously urge the bearing surface into engagement with the stud to hold the stud against sidewise tilting movement. However, upon the occurrence of excessive wear between the bearing surface and the stud, the bearing surface is ineffective to hold the stud against sidewise tilting movement to thereby signal the occurrence of excessive wear.

Abstract: The disclosure of this invention pertains to a solid construction for a bedplate used in a stand of a rolling mill. The bedplate is characterized by having a uniform cross section throughout its length wherein a groove for supporting a housing is easily formed and adapted to receive a filler element, such as a wedge, for anchoring the housing to the bedplate.