Abstract: An operable angle adjusting structure for a wiper produces a maximally wide wiping angle is realized within the range where wiper arms will not interfere with window pillars and each other and will not require a precision machining apparatus. A drive link includes a ball joint disposed in one end portion, and the ball joint is integrally mounted to one surface of an adjusting member such that the center axis of the ball joint is eccentric with respect to the center of a screw hole by a specified distance. The adjusting member is turned to change the axis-to-axis distance between a wiper drive shaft and the ball joint for proper adjustment.

Abstract: A vibration damping universal joint is disclosed for providing three degree of freedom orientation and limiting rotational deflection between a first and second rod portion of a manual transmission gear shift rod. The universal joint includes a first and a second clevis and a rotational isolation mechanism which provides axial deflection of the second rod portion relative to the second clevis and limits rotational deflection between the first and second rod portions.

Abstract: A chair has two lateral frame parts, each one in the form of a single, continuous member of an elastically yielding material. Transverse rods are connected between the lateral frame parts. A seat is connected to at least one of the transverse rods and a back rest is connected to at least one of the transverse rods. The single member of the lateral frame parts is preferably made of spring steel. Connecting elements that are slipped onto the lateral frame parts are used for connecting the transverse rods to the lateral frame parts. The connecting parts can be balls having throughbores for receiving the lateral frame parts and threaded holes, extending substantially perpendicularly to the throughbores, for receiving the transverse rods.

Abstract: A highly rigid structure is provided using six struts connected at three er and three lower nodes to upper and lower support structures. The joint assemblies are formed by half-spherical balls attached to the ends of each of the struts, and retained within cylindrical apertures, such that the center lines of the struts intersect at the nodes. Bending loads on the struts are thus eliminated, while the design and construction of the structure is substantially simplified.

Abstract: A screen wiping apparatus comprises a crank which is coupled through a pivot pin to a crank arm, which may for example be part of a screen wiper arm, the pivot pin providing an articulation between the arm and the crank whereby to provide non-circular wiping. The pivot pin has a head joined by a first cylindrical portion to a second cylindrical portion of smaller diameter than the first, the head and the two cylindrical portions being coaxial with each other. The first cylindrical portion of the pivot pin passes through a sleeve fitted transversely in the crank, while the second cylindrical portion extends through the crank arm. At least one ring carried by the crank is immobilised against rotation with respect to the crank.

Abstract: An umbrella including a central shaft, a plurality of fabric support ribs extending outwardly from the central shaft, a fabric cover associated with the fabric support ribs, a plurality of rib support elements for supporting the fabric support ribs and a plurality of detachable attachment elements, each operative to detachably attach a rib support element onto a fabric support rib, whereby in response to strong winds or other forces, detachment occurs, thereby preventing breakage of the support ribs.

Abstract: The invention relates to a windshield wiper connector structure, specifically such a structure that connects all types of automobile windshield wipers onto the powered windshield wiper arm by having the capability of supporting many varieties of different connection structures and thus attaining the innovative, practical and economical value that meets the psychological requirements of the majority of consumers.

Abstract: A stay generally indicated at 10 comprises a base 11, a window support 12 and a link 13. The link 13 is releasably and pivotally connected at 20 to the base 11. The connection at 20 is formed between a projection 22 and an end cap 23, which defines a through passage 25 for receiving the projection 22. The end cap 23 has an annular projection 26 which is dimensioned to snap fit into a circular groove 27 in the projection 22.

Abstract: A children's play structure includes a hinged frame structure having mounted thereon a plurality of panels depicting murals or scenes. The hinged frame structure which is comprised of a plurality of hinging sections and which is of lightweight, simple and economical construction is provided with substantial rigidity by corner structures which include hinging apparatus at the upper and lower ends of vertical tubes to permit pivoting rotation of the corner structure relative to one but not the other of a pair of frame sections coupled thereby. Each of the upper and lower hinging apparatus includes a clevis and a lever releasably coupled to the horizontal tubes of the adjacent frame sections by plugs with resilient release tabs. The clevis and lever have interleaved legs which receive a shaft and an opposite cap within apertures therein to permit pivoting rotation between the lever and the clevis while at the same time providing substantial resistance to unwanted vertical flexure.

Abstract: The invention herein relates to a kind of total function windshield wiper arm connector structure, specifically referring to a kind of windshield wiper arm connector that can be utilized with many types of windshield wiper arm connection structures, while effectively and practically raising the positive value of windshield wiper arm connectors, lowering the cost when compared to the many types conventionally used windshield wiper connectors and offering a unique design that is useful.

Abstract: The club has a hinge interposed on a shaft between the hand grip and club head, the hinge allowing the shaft to articulate about thirty degrees in both a front and back direction from the longitudinal axis of the shaft. The hinge has a female and male member. The female member is in the form of a yoke with a bore at the end of each yoke side arm. The male member has a body portion through which a bore passes and which is axially aligned with the bores of the yoke side arms. A pivot pin passes through these bores to provide the pivot point of the hinge. A U-shaped spring is attached to the female member interior to the yoke side arms. A ball bearing in a projecting nose of the male member rotates along the interior side arms of the spring. The ends of the female member side arms have pairs of oppositely directed ramps providing a stop along an outer shelf on each side of the male member body portion.

Abstract: The invention is an improved assembly of a bracket and pin for connecting a hock absorber to the road arm of a vehicle.

Abstract: An improved pivot pin which allows individual pin connection of each hammer in the rotor of a shredder is disclosed. The pivot pin includes male and female pin members which interengage in a tight fit so as to function as a single pin when fitted together. A bore extends through both of the male and female pin members, with the bore through the female pin member being threaded. A securing device such as a socket head capscrew passes through the male pin member from the outer to the inner end portion thereof and is threadedly received in the female pin member.

Abstract: A primary object of the present invention is to provide an improved joint structure for a window dummy to ensure that any joints can be easily rotated, turned or bent within a remarkably wide angle, and which shows good appearance. This joint structure comprises a hollow member including two half members each of which is formed with at least one of slidably engaging section capable of slidably engaging each other; and at least two connection members whose one end is fixed to a rod of arm, leg, or the like and the other end is rotatably connected to the other connection member in the hollow member. Further each of the connection member is independently fixed to the half member of the hollow member. One of the connection member is formed with means to prevent from interfering with the other half member fixed with the other connection member.

Abstract: An improved switch for an overhead trolley track system, which is adaptable to be inserted between intersecting tracks and adjustable for handling trolley movement from one track to another. The improved switch includes a unique pivot and shaft assembly whereby the hub member attached to the track lift piece rotates or pivots freely about an outer shaft without applying force to an inner shaft mounted to the track, thereby avoiding constant maintenance, malfunctions, and system interruption.

Abstract: A casing around a turbine and a casing around discharge nozzles have a concentrically arranged shell portion. The seal contains internal pressure while accommodating eccentric, expansion and axial travel. Arcuate seal segments have one leg sealing against a radial surface extending from the inner shell and the other leg against the outer shell. A linkage guides travel of the segments.

Abstract: The device includes, on the one hand, a main body with a base (2) and, on the other hand, screen-type dialogue means (7) which are placed in a flat casing connected to the main body (2) by support means, and means for maintaining the angular position (14) which can be regulated both for height and for angle. Said means for maintaining the angular position (14) are arranged coaxially to a pivoting axis XX' of a support arm (15) on the body (2) and include a free-wheel device mechanically located in series with a friction angular coupling device. The invention makes it considerably easier to adjust the position of the dialogue means.

Abstract: Display easel having an elongated connector to which are attached three legs which can be moved from parallel storage positions to angular erection positions to form a tripod. The connector has a longitudinal passage in which slides a support rod, the movement of the legs from their storage positions to their erected positions causing the legs to lock the rod at a selected position in the passage. The legs have telescoping extensions and at least one leg has an auxiliary element that is held on the leg by a blind rivet whose head lies in a protuberance in the leg, so that its head does not interfere with sliding of the extension in the leg for adjustment.

Abstract: A hollow ceramic piston pin has a pair of ribs in the form of partition walls axially separating the inside thereof. The piston pin has the ribs in the axial positions where it mates diameterially opposed inner ends of piston pin bosses of a piston and opposite ends of a small end portion of a connecting rod when attached to the piston and the connecting rod.

Abstract: An apparatus that adapts hand actuated flushing mechanisms, commonly found on commercial latrines, for actuation using one's foot. An extension tubing couples to an actuation mechanism of a flushing mechanism, for causing actuation of the flushing mechanism. A connecting rod member couples to the extension tubing for causing the extension tubing to actuate the flushing mechanism. A foot pedal couples to the connecting rod member to oscillate the connecting rod member. A mounting bracket couples to the foot pedal for pivotally mounting the foot pedal to a remote surface for pivotal movement of the foot pedal.

Abstract: An adapter for mounting a blade assembly on a wiper arm comprises an adapter body formed with a transverse adapter-body hole through which the pin is engageable, a latch for releasably retaining the pin in the hole, and a mount securing the body on the assembly over the blade hole thereof. The body is of U-section and embraces the blade assembly at the blade hole. In addition the body has a pair of side walls that form the mount and that flank the blade assembly at the blade hole. These side walls are formed with aligned holes and the blade assembly has at the blade hole lateral projections engageable in aligned holes. The projections in turn are annular collars coaxial with the blade hole.

Abstract: A pivoting link subassembly of a linkage support system includes a first link having a circular bore hole therein, a second link having a non-circular bore hole therein, a washer positioned between the links so as to be aligned with an axis extending through the aligned bore holes, and a rivet which extends through the bore holes to maintain the links together and provide a pivot, the rivet including a shank portion which fills the non-circular bore hole in the second link to assure rotational connection thereto.

Abstract: An apparatus for connecting at least one horizontal member with a strut comprising: a U-shaped strut bracket having left and right support plates and mounted fixedly on each side face of the strut; a plate-shaped horizontal member bracket having a screw hole at one longitudinal end thereof so as to extend in its lateral direction and supporting thereon the horizontal member to be movable in its longitudinal direction; and a cover member in which one longitudinal end of the horizontal member is inserted, the cover member having an elastically deformable central cover plate, a pair of side cover plate and left and right slit grooves formed between the central plate and the side cover plates into which the support plates are fitted, respectively, so as to connect through screws the cover plate with the strut bracket together with the horizontal member bracket located between the support plates in a manner such that the horizontal member is movable and turnable vertically.

Abstract: An upper end portion of a steering knuckle is fastened to a pair of parallel flanges of a bracket secured to a lower end portion of the strut by a relative angle adjusting mechanism. The upper portion of the steering knuckle is adapted to swing about the pivoting bolt by turning the relative angle adjusting means to adjust a relative angle of the steering knuckle for setting a camber angle. One of the flanges is provided with a first guide opening extending crosswisely with respect to the axis of the strut whereas the other flange includes a second guide opening extending in parallel with the axis of the strut. The relative angle adjusting mechanism is provided with an adjust bolt having a larger diameter portion and a smaller diameter portion. The larger diameter portion is eccentric to the smaller diameter portion for easily adjusting the camber angle.

Abstract: An articulated arm for supportably attaching a movable first body to a second body comprises a connector bar which fits inside a substantially hollow sheath, each of the connector bar and sheaths being pivotally attached to a first intermediate member at a first end thereof and to a second intermediate member at a second end thereof. Fasteners are provided to temporarily and disengagably fix the position of the connector bar with respect to the sheath. Hardware is described for attaching the first intermediate member to a movable first body and for attaching the second intermediate member to a second body which is substantially stationary with respect to the first body.

Abstract: A window operator and assembly method therefor wherein a stacked pull arm and gear are rotatably mounted on a bushing carried by a mounting base and the gear and pull arm are assembled to the mounting base with a controlled clearance independent of the tolerance of these components by use of a hardened metal bushing. The hardened metal bushing is forced into the deformable metal of the mounting base whatever distance is necessary to locate an exposed end of the bushing a fixed distance beyond the uppermost of said gear and pull arm and provide a surface against which a washer may be mounted and which overlies the pull arm and gear to hold the components in assembled relation with the controlled clearance.

Abstract: A moldable edge connecting apparatus is disclosed that can optionally be employed as a hinge. It is suitable for use as fencing and is particularly applicable to removable fencing. It employs integrally molded connecting fingers that are designed without deep slots, lips thereover, or fully circumscribed openings to economize on mold manufacturing cost and the expense and difficulty of operating the mold, rendering the invention appropriate to very low cost items. The entire structure is substantially coplanar with segments to be connected, even when used as a hinge, and utilizes half-round grooves that are substantially no deeper than the radius of the groove.

Abstract: A manipulator having an end effector (1) displaceable by means of a four-rod mechanism, a comparatively light and stiff construction being obtained in that each of the rods (3,5,9,11) has a tubular support (73,79,159,181), which is secured by a bridge (147,149,169,191) to the bearing plate (87,93,119,193). The manipulator is particularly suitable for use in automatic mounting equipment.

Abstract: A joint structure having first and second members each including parallel surfaces and a common pivot axis extending perpendicular to the surfaces. One of the surfaces includes an array of detents and the other surface includes an array of recesses. The detents and recesses have discrete angular positions in which they are engaged with each other and retain the joint members in discrete angular positions. The structure also includes a pivot pin having a base portion connected with the first joint member and an integral resilient portion extending into an opening with a recess having a cam surface which is formed in the second joint member. The pin has a central axis which defines the pivot axis for the joint members. The integral resilient portion of the pin includes a plurality of resilient fingers and a cam surface. The cam surfaces of the fingers and the recess of the opening cooperate to cause the fingers resiliently to bend toward the pivot axis when the first and second joint members are urged apart.

Abstract: An articulated robot joint includes a coupling member 13 having a hollow cylinder 13a rigidly mounted to a lower arm 2 and rotatably journaled to an upper arm 1. An offset crank 13c extends from one end of the cylinder, and has a mounting hub 13d at the end of a radial arm thereof coupled to an axially disposed output shaft of a motor and harmonic drive unit 5, 6. A power/control cable 3 is threaded through the hollow interiors of the arms, and traverses the joint via the hollow cylinder.

Abstract: A linkage in an electro-mechanical shaker. The linkage has link arms which have two end members coupled to a center member. The three members provide three pivoting points in an axial direction and prevent lateral movement between the relatively movable structures to which they are attached.

Abstract: A pivotal attaching device for a linkage cam lever which is pivotally attached to one end of a rod so that a lever can be pivoted by a shaft. The device is comprised of a securing portion for securing the shaft to one end of the rod, and a forked leaf spring portion including a pair of integrally formed spring pieces connected to the securing portion and maintaining a space therebetween. The securing portion and forked leaf spring portion are integrally molded of plastic with formed openings for receiving and securing the end of the rod, and further including receiving and securing the end of the rod, and further including integral clip portions to maintain the device in a secure fashion around the end of the rod.

Abstract: A hitch apparatus for detachably connecting a bucket to a power operated boom of a self propelled backhoe or excavator vehicle in which the hitch includes a body having a pair of upstanding side walls for hinge mounting onto the manipulative end of the boom. At the underside of the body secured in a relatively forward location of a bottom wall connecting the sidewalls is a hook member defining a transverse jaw channel in which to receive a transverse hingepin extending between spaced apart support lugs secured to the backside of the bucket. Rearwardly extending downward from the backside of the bottom wall is an elongated transverse sleeve adapted to be received intervening between the lugs of the bucket and containing a cyindrical rotatably displaceable bushing within the bore of the sleeve. The bushing is formed having an eccentric internal bore that by arcuate displacement of the bushing can be axially aligned with opposite apertures in the lugs.

Abstract: A structure and method for adjusting alignment of steerable wheels movable supported by a ball joint with a ball joint stud having an annual tilt bearing surface carried thereon, the structure comprising a bore defined in a suspension member and configured to receive the ball joint stud therein, the bore being larger than the ball joint stud and including therein a concave bearing surface in the form of a truncated sphere, the ball joint annular tilt bearing having a convex surface shaped to fit the spherical portion of the bore bearing surface, and a wedge washer proportioned to fit adjacent a ball joint nut, alignment being obtained by placing the tilt bearing on the ball joint stud bearing movable in the concave portion of the bore bearing surface, and positioning a wedge washer on the proper angle in the proper orientation to incline the ball joint stud as required for proper alignment. Orientation is determined by the position and angle of the wedge washer.

Abstract: The chain for pressing a plurality of annular segments against a pipeline includes a plurality of links which are interconnected by pivot pins. At least some of the pivot pins are provided with eccentrics which are disposed within the inner links so that upon turning of a pivot pin using a suitable tool, the tension on the chain can be adjusted. Nuts are rigidly secured at the ends of the pivot pins carrying the eccentrics to facilitate turning of these pivot pins.

Abstract: A device for connecting pivotally two yoke members of a windshield wiper. Each yoke member has a cross-section including two generally vertical side walls and a top wall connecting the upper ends of the side walls, and the yoke members are overlappingly disposed relative to each other. The device comprises a pivot pin passing through aligned openings in the side walls of the two yoke members, and the pivot pin is divided into plural portions in the cross-section thereof at the location inner side of the side walls of inner yoke member, with the plural portions being separated from one another in the radially outward directions thereby forming a large diameter portion.

Abstract: A parallel beam brake apparatus for dual and triple axle trucks and a single beam brake apparatus for single axle trucks each comprise spaced, pivotably mounted bell crank levers which engage a fluid operable actuator between one pair of arms and engage a pair of push rods with the remaining arms. Improved spherical joints between the arms and the push rods facilitate force tranmsmission without allowing push rod rotation. A unique pivot geometry between the bell crank levers and the brake beams facilitates assembly and improves stress distribution between the levers and the beams. The actuator includes a slack adjustor mechanism in which a spiral power spring unwinds to drive a lead screw and take up slack or is wound by the rotating, translating lead screw to add slack.

Abstract: A tubular piston pin for an internal combustion engine being of lightweight and high strength design with a cylindrical exterior surface and a double hourglass shaped aperture defined by thin-walled end portions; a thin-walled intermediate portion and two thicker-walled portions therebetween. A method for easy and inexpensive piston pin manufacture includes: the formation of half pins by molding a metal slug between two dies each having tapered end portions, punching out a midportion or intermediate web or wall to form an aperture therethrough with a generally hourglass shape, and aligning and joining two half pins axially together to form a piston pin with the double hourglass shaped interior aperture.

Abstract: A joint is provided which can serve for connecting two elements, but can also be employed for making a column or pole like structure. The joint consists of two superposed plates or frame shaped bodies which are interconnected by two pairs of crossing rods. The joint serves to connect two modular parts in a chain-like construction.

Abstract: Clevis connection includes a clevis bushing having a bushing sleeve, with a shoulder at one end having a tapered inner diameter, and a longitudinally extending slot through the shoulder and a portion of the length of the bushing sleeve. The bushing is inserted through aligned holes in the clevis arms and connecting lug. Then a tapered expander collet is inserted into the tapered inner diameter of the bushing shoulder and a bolt is inserted through the collet and bushing so that the bolt head loads through the collect which expands the bushing to cause pre-stress on the surrounding lug and a pre-load clamping of the connecting lug to one of the clevis arms, and cause pre-stress on the other clevis arm.

Abstract: A corner guide assembly having a first and second housing arms each having straight and curved guide grooves and a flexible resilient connector connected to elongated drive rods slidably located in the straight guide grooves.

Abstract: A hydraulic latch arrangement is disclosed for facilitating efficient movement of a backhoe between working and transport positions relative to an associated material handling implement upon which the backhoe is mounted. The arrangement includes an upper pivot which pivotally connects the frame of the backhoe to the implement for relative movement of the backhoe about a horizontal axis. The arrangement further includes a pivotally movable latch member preferably mounted on the associated implement, and a latch pin mounted on the backhoe frame for cooperation with the pivotal latch member. A hydraulic latch motor is provided for selectively moving the pivotal latch member between engaged and disengaged positions, wherein in the engaged position the latch member cooperates with the latch pin for effecting a substantially rigid connection between the backhoe and the associated implement.

Abstract: The connector comprises a first element having one end provided with a single first eye, a second element having one end provided with two coaxial second eyes axially spaced to receive between them the single eye, and a pivot pin insertable through all the three eyes, when the latter are coaxially aligned, to thereby join the two elements together. The pivot pin consists of two parts insertable through the eyes. Each part has a first end provided with a first engagement means and an opposite second end provided with a resilient second engagement means, and each second eye has at its axially outer side a third engagement means, whereby on full insertion of the parts through the eyes the parts and the second eyes are interlocked by the engagement means.

Abstract: A joint for connecting together two frame members of a machine for relative movement wherein one of the frame members has flexible portions which during assembly of the joint are flexed to enable the joint to be assembled without shims and without exceeding predetermined maximum stresses on the parts of the joint.

Abstract: A pin for a high wear, high abrasion, heavy loading joint has a manganese steel shroud in a groove in the center of a high strength alloy steel core. The shroud extends through at least the area of wear. The retaining pins, or keepers, are in the high strength steel end portions of the pin.

Abstract: A manually-operated terminal wire connecting tool having an eccentric cam pivot for adjusting the degree of contact between gear rack assembly and rotating drive assembly. The eccentric cam allows for selective adjustment of contact between gear rack and rotatable drive assembly. Machining tolerances in manufacture of the tools are thereby increased and, in addition, consumers can compensate for gear wear over the life of the tool.

Abstract: A hydraulically-operated latch mechanism is disclosed for releasably maintaining a backhoe in its lowered, working position on an associated material handling implement. In the preferred embodiment, the mechanism includes a movable latch member pivotally mounted on the implement for movement between engaged and disengaged positions. A latch pin is provided on the frame of the backhoe for cooperation with the latch member whereby the latch pin is adapted to be received by the latch member in the engaged position thereof for holding the backhoe against movement relative to the implement. A latch hydraulic motor is provided in operative connection to the pivotal latch member for effecting movement between the engaged and disengaged positions.

Abstract: A hydraulically operated vehicle hoist having four extendable swivel arms each pivotally mounted for horizontal displacement on the head of a cylindrical plunger. Pivotting of each arm is provided by means of a vertical spacer tube disposed through the inboard end of the arm in a cavity spacing between a wear plate on the plunger head and a cover plate to which the spacer tube is threadedly connected. Individual adjustment of each cavity height to accommodate dimensional variations in thickness of the respective swivel arm supported thereby is afforded by rotationally locking the spacer tube to its associated arm via a bent rod or Allen wrench positioned through aligned apertures in each. Concomitant arcuate displacement of the locked spacer tube and arm causes threaded vertical displacement of the cover plate whereby the cavity height can be adjustably set to clearance specifications.

Abstract: A hanger bracket for fastening a framing member to a strut of geodesic building structure, the struts of which define the planar faces of at least part of a regular geometric shape. The hanger bracket has a back and a top support member extending from the top end of the back and inclining toward the bottom end of the back at an angle to the back of substantially one-half the angle of intersection of the planar faces. A bottom support member is opposed to the top support member and extends parallel thereto from the bottom end of the back. The back may be fastened to a side surface of the strut with the top end extending away from the center of the geometric shape and the support members extending into the planar face of the geometric shape defined in part by the strut.

Abstract: A pivot joint is comprised of a pair of superposed elongated plastic members having through-open barrels of different sizes, one in the other, and a plastic pin with a button on a reduced portion extending through the combined barrels and securing all three members together in a pivot relation.