Abstract: PCT No. PCT/US79/00804 Sec. 371 Date Oct. 1, 1979 Sec. 102(e) Date Oct. 1, 1979 PCT Filed Oct. 1, 1979 PCT Pub. No. WO81/00898 PCT Pub. Date Apr. 2, 1981Self-aligning thrust bearing means (23a, 24a and 26a; 23b, 24b and 26b; or 123a, 124a and 126a; 123b, 124b and 126b) for first (10 and 11; 111) and second (12; 112) relatively rotatable members each includes parts equivalent to the following:a thin bearing member (26a) between adjacent surfaces (28a and 29a) of the relatively rotatable members; a substantially uniformly axially compressible and extensible peripheral sealing member (24a) sealed to a face of the bearing member (26a) and to the surface (29a) to define a sealed chamber (30a); and liquid filling the chamber so that axial and cocking loads of either of the relatively rotatable members (10 and 11 or 12) may rock the bearing member (26a) without effective axial displacement.

Abstract: PCT No. PCT/US79/00681 Sec. 371 Date Aug. 31, 1979 Sec. 102(e) Date Aug. 31, 1979 PCT Filed Aug. 31, 1979 PCT Pub. No. WO81/00606 PCT Pub. Date Mar. 5, 1981This invention relates to a shock-absorbing apparatus (12) for mounting a platform (13) or the like on a frame (14). Each apparatus (12) includes a fastening member (26) extending from the platform (13) through an aperture (22) in the frame (14) and carries a support (30) on the opposite side of the frame (14) from the platform (13). A spacer (24) extends from the platform (13) to the support (30) with a resilient bushing (16) encircling the fastening member (26) between the platform (13) and the frame (14). A second resilient bushing (18) encircles the fastening member (26) between the frame (14) and the support (30).

Abstract: PCT No. PCT/US79/00259 Sec. 371 Date Apr. 23, 1979 Sec. 102(e) Date Apr. 23, 1979 PCT Filed Apr. 23, 1979 PCT Pub. No. WO80/02308 PCT Pub. Date Oct. 30, 1980Substantial heat is generated at the crown portion (18) of a piston (10). Cooling fluid has been directed to cavities (46) in the underside of the crown (18). However, at critical points of the piston cycle, the fluid drains from the cavities due to the forces of gravity. An oil cooled piston (10) is provided which includes a fluid trap (50) adjacent the crown (18). Some of the cooling fluid is trapped as it drains and is retained to enhance cooling of the crown (18). The fluid trap (50) includes a slot (60) permitting a jet spray of lubricating oil to be directed past the trap (50) to the cavities adjacent the underside of the crown (18).

Abstract: A coupling for use in test stands having dynamometers for coupling the dynamometer to a drive sprocket of a vehicle to be tested and including a housing adapted to be rotated about an axis and having elongated guides in a plane generally transverse to the axis, at least two slides movably received in the guides, a screw shaft journalled for rotation in the housing and connected to the slides, the screw shaft being fixed against substantial longitudinal movement within the housing and, when rotated, effecting simultaneous movement of the slides towards or away from the axis, detents carried by the housing and engaging the screw shaft for holding the screw shaft against rotation, and a plurality of teeth, one for each slide, each mounted on an associated slide and extending therefrom in a direction generally parallel to the axis for receipt between the teeth of a sprocket.

Abstract: A bi-rotational microwave oven turntable/rotisserie having a turntable which is moved in a closed path within the oven cavity while being concurrently rotated about a central axis of the turntable. A rotisserie device is associated with the turntable and includes a spit portion which is caused to rotate about the longitudinal axis thereof as an incident of rotation of the turntable about its central axis. The rotisserie, in turn, is rotated about a fixed axis defined by an input drive shaft. The turntable may be rotated by a gear meshing with a tooth portion of a hub journaling the drive shaft. The gear defines an axis of rotation of the turntable which may be rotatably carried on a support portion of the rotisserie device. The turntable may have a toothed periphery meshing with a tooth member fixed to the rotisserie spit portion for effecting rotation of the spit portion as an incident of rotation of the turntable relative to the support portion.

Abstract: A cam operated control mechanism wherein a cam follower is caused to move from a first position to a second position by a biasing spring upon completion of a preselected amount of relative movement between the cam follower and cooperating cam. The control mechanism includes a second structure for effecting movement of the cam follower from the first position to the second position in the event the biasing spring fails to effect the movement, such as by virtue of the spring being broken. The structure for effecting the transfer includes a displaceable wall portion of the cam against which the cam follower is urged by means other than the spring means when the relative movement between the cam follower and cam is continued following the failure of the spring means to effect the desired transfer.

Abstract: A track roller assembly including a track roller frame (12) defining a tunnel, a pair of spaced, elongated rails (70, 72) extending through the tunnel, a stop (26) at one end of the tunnel, a spring recoil assembly (20) within the tunnel in abutment with the stop and supported by the rails and including a housing (28) containing a compression spring (30) and having an opening (32) opposite from the stop and a movable plate (36) accessible through the opening and abutting the spring, a hydraulic adjuster assembly (22) within the tunnel and supported by the rails in abutment with but not attached to the housing and including a closed hydraulic chamber (100) with a movable piston (104) extending therefrom and through the opening to abut the movable plate, and an idler yoke (24) within the tunnel supported by the rails and abutting, but not attached to the adjuster assembly opposite of the spring recoil assembly.

Abstract: PCT No. PCT/US79/00080 Sec. 371 Date Feb. 9, 1979 Sec. 102(e) Date Feb. 9, 1979 PCT Filed Feb. 9, 1979 PCT Pub. No. WO80/01682 PCT Pub. Date Aug. 21, 1980An adjustable double link mounting for interconnecting a pair of structures, such as structures (37, 51) mountable on a crawler vehicle (10), including at least a pair of spaced-apart lugs (44, 82, 83, 84, 85) on each of the structures and each having a bore, a pair of spaced-apart links (80,81) having a pivotal connection at each end to at least one lug as provided by a pin-receiving opening (91, 92, 105, 107) for receiving a pin (93, 94, 104, 106) which also extends through an apertured lug, and one (81) of the links including a turnbuckle (110, 111, 112) for adjusting the effective length thereof.

Abstract: A log skidder including a vehicle having a frame with front and rear ends, ground engaging devices on the frame so that the vehicle may traverse the underlying terrain, an elongated boom on the frame and mounted thereto for pivotal movement about a generally horizontal axis between an upright position at least adjacent the rear end and a lower position intermediate the ends, a log engaging device, a lever mounting at one end the log engaging device and horizontally pivoted at a location remote from the lever one end to the boom at a location spaced from the horizontal axis, the lever one end extending rearwardly with relation to the frame, a motor on the frame for moving the boom between the positions thereof, and a linkage for maintaining the lever one end directed generally rearwardly for all positions of the boom on the frame.

Abstract: A shuttle rail assembly, capable of carrying a pair of pallets to which workpieces are fixtured, is mounted on a wheeled vehcile movable along a pair of tracks extending adjacent machine tools and set-up stations. The vehicle is positively driven by a DC motor and pinion, mounted on a adjustable eccentric, which meshes with a toothed rack secured to one of the pair of tracks. A vertical standard extending upward from the vehicle is slidable along power and control electrical buses contained within an enclosed overhead trolley. The shuttle rail assembly includes a pair of rails, extendable to either side of the vehicle by a hydraulic rail motor, mounted on a platform rotatable by a hydraulic index motor to 180.degree. positions when pallets are to be interchanged, and having a 90.degree. latched position during vehicle travel.

Abstract: PCT No. PCT/US79/01087 Sec. 371 Date Dec. 13, 1979 Sec. 102(e) Date Dec. 13, 1979 PCT Filed Dec. 13, 1979An impactor (10) having a fracturing portion (11) including a crank (12) and a force transferring structure (13). The force transferring structure (13) is hammered as a result of rotation of the crank (12) by a hammer (14) rotatably mounted to the crank for concurrent revolution about the crank axis (16) and rotation about a hammer axis (24). The hammer is rotated in synchronization with the crank to move a contacting portion (20) of the hammer reciprocatively toward and from the force transfer structure (13) with contact between the hammer and force transfer structure being free of rolling movement therebetween.

Abstract: PCT No. PCT/US79/00495 Sec. 371 Date July 11, 1979 Sec. 102(e) Date July 11, 1979 PCT Filed July 11, 1979A compacting apparatus (10) has an impact apparatus (17) and a compactor (19). The impact apparatus (17), such as, for example, a rock breaker, provides impacting forces on the compactor (19). The compacting apparatus (10) is positioned on, for example, a work structure (12,14,15) of a work vehicle (16). It is necessary to compact material in order to provide, for example, proper filling of a trench (74) after a pipe has been placed in the trench. Compaction, as done by the compacting apparatus (10), is provided by simultaneously compacting the material and applying a compressive force to the material and remolding the material. Therefore, satisfactory compaction can be provided in the trench (74) by the work vehicle (16) which is also usable to excavate and refill the trench (74).

Abstract: PCT No. PCT/US 79/00088 Sec. 371 Date Feb. 15, 1979 Sec. 102(e) Date Feb. 15, 1979 PCT Filed Feb. 15, 1979 PCT Pub. No. WO80/01703 PCT Pub. Date Aug. 21, 1980A vehicle door latch assembly (16) is provided whereby a key (104) may be used to lock the door (10) and to prevent rotation of the outside door handle (20). A lock release lever (22) is provided inside the vehicle door for overriding the key lock (103) to permit the inside and outside handles (18,20) to operate to open the door. Even with the lock release lever (22) and the key lock (103) in the locked position, the inside handle (18) can be turned to move the lock release lever (22) to the unlocked position and to open the door. The outside handle (20) can now be used to open the door also. The outside handle (20) can also be released for operation by turning the key (104) in the lock (103) to the unlocked position.

Abstract: PCT No. PCT/US79/00293 Sec. 371 Date May 2, 1979 Sec. 102(e) Date May 2, 1979 PCT Filed May 2, 1979 PCT Pub. No. WO80/02446 PCT Pub. Date Nov. 13, 1980.In a control (28) for a hydraulically operated draw works or the like having a hydraulically disengaged brake (14), a transmission (10, 12) and a brake control valve (114, 122), the improvement including an accumulator (174) having a check valve (196) connected between the brake control valve outlet (152) and the brake (14) to modulate the application of the brake (14) after the brake (14) has been fully released and to provide no modulation of brake (14) application after the brake (14) has been only partially released to thereby minimize shock in the draw works components when a load is lowered rapidly and yet provide rapid action when operated slowly.

Abstract: A jacking apparatus for selectively moving a load in either of opposite directions such as vertically upwardly and downwardly. The apparatus is adapted for use in a wide range of building constructions, such as those using slipforms, wherein heavy loads are positioned by the jacking apparatus. The apparatus includes gripping elements having portions engaging elongated structural elements for effecting desired movement of the jacking apparatus in moving the load. The gripping elements are mounted on parallelogram linkage supports for maintained parallel relationship to the longitudinal extent of the elongated structural element with which they are selectively engaged. A control device is carried by the respective upper and lower gripping devices for effecting automatic control of the gripping elements in effecting a lowering of the apparatus when desired.

Abstract: PCT No. PCT/US79/00505 Sec. 371 Date July 16, 1979 Sec. 102(e) Date July 16, 1979 PCT Filed July 16, 1979 PCT Pub. No. WO81/00293 PCT Pub. Date Feb. 5, 1981A sealing structure (10,110) for use in a joint (11) having a first member (12) axially movable relative to a second member (14). The first member defines a recess (13) receiving the sealing structure which includes an annular seal ring (19,119) having a radially outer annular base portion (20,120) fitted in the recess, a sealing portion (21,121) having a lip (22,122) engaging a surface (15) of the movable member (14) confronting the recess (13). The sealing portion is provided with a stiffener which is bonded or partially encapsulated therein and provided with axially inwardly projecting tongues (30,130) engaged by a spring structure (24,124).

Abstract: A track structure (10) having an annular seal (24) defined by a C-shaped cross section for movably sealing the end (18) of the track pin (17) to an outer bushing surface (20). A shallow portion (32) of the seal is impregnated with lapping compound to lap the confronting sealing surface (20) of the bushing so as to provide a positive seal therebetween. The improved seal eliminates the need for lapping the sealing surfaces of the track structure prior to assembly. The portion (32) of the sealing surface of the seal impregnated with lapping compound provides the desired lapping of the confronting track structure surface as the result of relative movement between the seal and that surface which may be effected during a break-in period as desired.

Abstract: This invention relates to a method of bonding together a plurality of ferrous metal members, the resulting assembly and a heat exchanger comprising the thusly bonded metal members in which the members are bonded to each other by assembling them with aluminum metal between and in contact with them, coating this assembly with a liquid bonding composition as disclosed in Simpelaar U.S. Pat. No. 3,301,688 comprising a liquid solvent and a zinc halide and heating this assembly thereby causing the aluminum to displace zinc from the zinc halide with the zinc thereby uniting with the ferrous metal to form a secure joint comprising an alloy of iron from the ferrous metal members and zinc displaced from the zinc chloride.

Abstract: A uniform cap having a frame over which is fitted a flexible cover with a hollow tubular grommet to distend the cover includes a removable molded plastic stay upstanding from the front of the frame to maintain the grommet at a fixed elevation and to support a badge or insignia at the front of the cover. The stay includes various connectors for attaching the grommet to the stay depending on the size of the grommet and the height of the cap.

Abstract: A can handling system for transporting cans with an open end through an oven for drying of printed material applied to the exterior of the can comprising, a plurality of free-standing can carriers, each having a base and an upstanding member centrally thereof to engage within a can and hold a can in inverted position and with the base and upstanding member being of a size to position a can to prevent contact between two cans when a pair of can-carrier bases are in contact, transport structure for advancing cans sequentially at uniformly spaced intervals to a loading station, conveying and synchronizing structure for advancing can carriers sequentially to said loading station to have the can engaging members of the can carriers at the same spacing as the cans arriving at the loading station whereby cans may be transferred sequentially to sequential can carriers, and conveyor structure for conveying the can carriers to an oven in single-file relation and thereafter moving the can carriers and cans through the o