Abstract: A pan retriever dolly transfers stacks to a stack conveyor. The dolly includes a retriever arm with a magnet and is mounted for reciprocating movement across the stack conveyor towards and away from the storage conveyor.

Abstract: An arrangement for turning and multiple placing on top of each other and for alignment of paper stacks which are located on the rear contact plate of a turning stacker in a position preferably turned by 90.degree.. Intermediate members in the form of a rake are placed between the individual paper stacks and are adjusted at the carrying column of carrying plate of the stacker. After introducing the paper stack and the intermediate member, the paper stack is preferably turned by about 90.degree.. The entire surface of the rear contact plate of the turning stacker is thereupon vented by uniform air discharge. The paper stack is loosened and aligned by forming an air cushion under the stack and then turned to a final position. The carrying plates or carrying forks between which the stack to be turned is held, is provided each with one yoke, or connected by one yoke having rear spindle nuts fastened on a left- and right-hand spindle.

Abstract: A robot arrangement adapted to carry a load such as an article, a tool or a cargo to a specified position includes a main robot capable of active movement of the load in rectilinear directions and passive movement in directions parallel to a plane perpendicular to the rectilinear directions, and at least one sub robot capable of active movement of the load in directions parallel to the plane. A flexible connection allows passive movement of the load with respect to the sub robot in the rectilinear directions.

Abstract: A bale mover comprises a set of tines which plugs into a hitch. The hitch is supported by a bracket assembly including telescoping tubes which are disposed in the interior of a bucket. The hitch comprises sockets which receive the stub ends of the tines of the mover, and the hitch is fastened to the top of a bucket by means of mounting straps. A safety bar located above the plane of the tines prevents a bale which is being carried by the tines from rolling backward onto an operator. Also disclosed is a rear mounted bale mover. The mover attaches to the rear lift arms of a tractor by means of a generally L-shaped mounting frame. Embodiments of bale movers including two tines or three tines are disclosed. Also disclosed is an embodiment wherein the tines are provided with elongated mounting stubs. These stubs enable the bale mover to be mounted on a bucket where the side walls of the bucket are cut back.

Abstract: An assembly for mounting tubeless tires on tube type rims. The assembly includes a pair of cooperating annuluses that define respective seating surfaces each of which are adapted for receiving one of the companion beads of the tire. One of the annuluses is telescoped onto the rim and positioned adjacent the rim flange integrally formed with the rim proximate one of its axial end portions. A locking annulus secured to the opposite axial end portion of the rim is adapted for receiving the companion bead and can be readily secured to or removed from the rim for purposes of mounting or demounting the tubeless tire without forcing the beads over a flared flange. The locking annulus may be mounted on a variety of conventional tube type rims while maintaining the bead seating surface at a predetermined spaced location from the rim wall. A suitable pneumatic inner tube inserted in the tire serves to prevent air from escaping the confines of the tubeless tire which may have damaged sealing properties.

Abstract: A shovel linkage for a hydraulic excavator or the like has spaced parallel boom link rails which are coplanar with associated spaced parallel stick link rails and pivotedly connected thereto by means of pivot joints provided on the ends thereof.Bucket stops are provided on a bucket attached to the stick and are arranged to contact the centers of the stick rails for greater strength.

Abstract: A device for raising and lowering sheets of building material utilizes a base support platform on which is attached a support bracket member and a pair of serially connected first and second parallelogram members pivotally joined by a right angle member with the other end of first parallelogram member pivotally connected to the base support platform and the other end of second parallelogram member pivotally connected to an object supporting platform. A spacer arm is pivotally connected to the support bracket and to one leg of the second parallelogram member proximately midway between pivotally connected ends to keep the object supporting platform on a long radius curve or generally straight vertical direction of movement. Hydraulic means are provided for actuating the spacer arm to raise and lower the object supporting platform.

Abstract: A gripping or picker device, particularly for a jacketed magnetic disk or diskette, comprising a pair of arms extending along each other and fixed with respect to a common support and having outwardly diverging cam surfaces on their distal ends to provide a throat into which an article may be thrust. One of the arms has a flat leaf spring portion for moving the arms together, and the arms have plane substantially parallel facing surfaces connected with said cam surfaces for gripping the article frictionally when the article is thrust between the arms. One of the cam surfaces extends farther toward the common support than the other so that it faces the plane support surface of the other arm, and one of the arms has a stop portion abutting the other arm to limit the approaching movement of the arms toward each other to a distance which is equal to or greater than the thickness of the article to be gripped.

Abstract: Mounted on the floor of an oil well derrick substructure is a support that is rockable on an axis perpendicular to the centerline of a well being drilled beneath the substructure. One end of an arm is pivotally mounted on the support on an axis transverse to the first mentioned axis, while the opposite end of the arm carries a pair of shoes having laterally opening pipe-receiving seats facing away from the arm. The free end of the arm can be swung toward and away from the well centerline and the arm support can be rocked to swing the arm laterally.

Abstract: Apparatus for conversion of a stream of partly overlapping sheets into a row of fully overlapping sheets has a first conveyor which transports a growing row of sheets at right angles to the planes of sheets, and a composite second conveyor which defines a downwardly extending path wherein successive sheets of the stream descend onto the first conveyor to accumulate between spaced-apart distancing elements of the first conveyor. The advancement of successive sheets all the way onto the first conveyor is assisted and promoted by oscillating fingers which engage the oncoming sheets immediately above the first conveyor and intermittently push such sheet in the direction of forward movement of the growing row to provide room for the oncoming sheet.

Abstract: This invention relates to a de-palletizing machine having a magazine and an elevator for receiving pallets loaded with layers of cartons containing articles which do not extend beyond the confines thereof, the elevator being capable of being raised one layer at a time whereby a pusher carriage will eject the uppermost layer of cartons from the magazine.

Abstract: A signalling device operatively coupled between the side arm or lifting boom of a pipe layer and the frame thereof in a predetermined fixed position such that movement of the signalling device relative to the fixed position, which occurs in response to the operational load, is directly related to the critical or rolling load for any lateral position of the side arm or lifting boom.

Abstract: A sand and gravel skip or the like adapted for ready attachment to the bucket of a backhoe.

Abstract: A mobile leveling, lining and ballast packing machine for the non-stop correction of a track comprises a pair of elongated vibratory ballast compacting plates extending along the tie ends at each side of the track and arranged cooperatively to compact the ballast therebetween, a fine correction track lifting and lining unit between the plates, a coarse correction track lifting and lining unit forwardly of the fine correction unit, a first ballast plow and shaping unit associated therewith for moving ballast inwardly from the tie ends during operation of the coarse correction unit, a second ballast plow and shaping unit rearwardly of the fine correction unit, and ballast tampers compacting ballast against the tie ends rearwardly of the second ballast plow and shaping unit.

Abstract: In an apparatus for automatically handling stacks of bags, initially the bags are formed into stacks, each stack is moved onto and along a conveying track and then unloaded from the track to a loading surface. The support surface on the conveying track for the stacks of bags has a number of recesses into which a prong-shaped support member can be inserted for lifting a stack from the track without using a pallet. The prong-shaped support member includes a stripping plate so that by moving the support member transversely of the plate, the stack on the support member can be displaced onto a loading surface. A carriage movable over the conveying track provides the support surface of the stack of bags. The conveying track includes upper rails for moving the carriage from the stack-forming end to the unloading end and lower rails for returning the carriage to the stack-forming end.

Abstract: Apparatus for emptying bulk material from a storage chamber comprising a first rake in the storage chamber for transporting material in the longitudinal direction, the first rake being movable vertically and transversely. A vertical transport device is mounted in the storage chamber for transporting material from the storage chamber vertically upwards for removal from the storage chamber. A second rake is mounted in the storage chamber transversely and the second rake is positioned adjacent one end of the first rake at a level therebelow for receiving material longitudinally transported by the first rake to in turn transport the material transversely to the vertical transport device. The vertical transport device comprises a plurality of vertically displaceable buckets with a cover plate arrangement positioned in front of the buckets at a level below the second rake and associated with a mechanism for adjusting the cover plates for downward movement as the storage chamber is emptied of material.

Abstract: A magazine adapted to feed trapezoid-shaped objects from its bottom, with each successive object being pushed sideward out of the magazine from its thick side, such that the first portion of the object to emerge from the magazine is the thin side. The magazine typically has a fixed front wall and a fixed back wall, at least one of which may be adjustable in order to accommodate objects of various widths. The objects rest face-to-back in a stack between the two walls. A floor supports the objects, and at least a portion of the floor is movable; and there is a gap between the movable floor portion and the bottom edge of the front wall. A portion of the movable floor is yieldable downwardly as an object is being pushed out of the magazine, and preferably this portion constitutes a spring-biased roller over which an object passes as it is ejected from the magazine.

Abstract: A lift truck comprising an open-frame carriage having at least two longitudinal frame girders, two lifting arms, each of which is pivotally mounted relative to its respective longitudinal frame girder for pivotal movement relative to its respective frame girder; and a lifting yoke turnably mounted between the two lifting arms and being further tiltable relative to the lifting arms, the lifting yoke being turnable, relative to the lifting arms through an angle of at least 90.degree., and preferably about 110.degree..

Abstract: Method and apparatus for transferring cargo between an ocean-located unit and a vessel by way of a loading crane or derrick with associated winch and especially at sea under conditions of heavy wave movement. A cargo-supporting hook is subjected during loading and unloading to a controlled wave movement relative to the loading crane or derrick which corresponds to the relative movement between the ocean-located unit and the vessel and is in step with this relative movement.

Abstract: In a process for delivering cylindrical containers into machines for further processing, the containers slide into a feed channel under gravity in a random sequence and are transported through this channel in an upright position by the action of an intermittently operating thrust. From the feed channel, the containers are transferred in sequence to a transport carriage equipped with individual holders which are successively positioned in relation to the feed channel. When fully loaded, the transport carriage is driven into the machine for further processing.