Abstract: A boat trailer including a frame having a tongue rigidly connected thereto and an axle with wheels thereon connected to the frame by springs, the frame also having pivotally connected thereto a ramp mounted on the rearward end of the frame on an axis perpendicular to the longitudinal axis of the tongue of the trailer, the ramp being mounted independently of the wheels supporting the frame, the ramp having the major portion of its length extending forwardly of the perpendicular axis of the frame and a plurality of rollers mounted in the center thereof, and having two flat runners extending parallel and perpendicular to the pivotal axis of the ramp for supporting the weight of the boat.

Abstract: A movable floor self-unloading trailer has a frame with rotatable sprocket shafts supported at each end and engaged with an endless conveyor type floor comprising a series of side-by-side floor plates which are interconnected by hinge pins and are each provided with a plurality of laterally spaced bearing shoes which slide in elongated longitudinally extending channel shaped bearing rails. The movable floor includes a drive sprocket assembly characterized by a series of sprocket segments which are configured to engage the floor plates along the bearing hinge portions. The movable floor is particularly adapted for use in conjunction with a modified general cargo type truck trailer which is adapted to handle containerized as well as bulk material loads.

Abstract: A load handling apparatus has two spaced telescopic pedestals mounted on a vehicle. Each pedestal has a center top member at each end of which is pivotally mounted a respective arm. The arms are each movable in a vertical plane at right angles to the length direction of the vehicle, downwardly into a stowed, inoperative position in which the arms lie alongside a pedestal. Carriages carry between them a load-supporting beam and run on trackways.

Abstract: A cantilever wafer paddle system for use in the manufacture of semiconductor devices so the system having two support members positioned above and attached to a suspension member such that the suspension member is capable of supporting and suspending a series of wafer boats within a diffusion tube without allowing any portion of the paddle, boats or wafers contained within the boats to contact the internal walls of the diffusion tube.

Abstract: A movable lifting and depositing device comprising separate rack and pinion jacks to be connected to the corners of portable containers, e.g., cabins, containers, shelters or the like, by means of brackets, the jacks having racks for the containers provided on columns which have track wheels at the bottom. In order to maintain sufficient stability of the lifting and depositing device, even when the container to be handled is at relatively high positions, each rack and pinion jack has a swivel mechanism with two vertically spaced work positions. In its bottom work position, wherein it is folded down from a main column guide onto a relevant bracket, the swivel mechanism is to be connected with an auxiliary column guide arranged beneath the main column guide. This can be moved by the swivel mechanism into the top work position of the associated column.

Abstract: An improved die engaging means for a side loading die change truck includes a plurality of pusher-puller blocks pivoted along the length of the powered pusher bars and selectively engageable with the edge of a die to allow it to be easily moved in stages onto or off of a press bed. Each block may be rotated down to a stored position beneath the surface of the bar and beneath the surface of the die. An adaptor may be attached to each block to allow it to be used to pull a die, if desired.

Abstract: An arrangement for loading and unloading X-ray film cassettes is provided with a channel bounded by bottom, top and lateral walls. At one of its ends, the channel has an inlet opening for the cassettes, while it is provided with an abutment wall at its other end. A plurality of transporting rollers is accommodated in respective slots of the bottom wall, each of the transporting rollers slightly projecting above the bottom wall to engage and entrain the respective cassette resting thereon. A switching roller is situated in a recess of the bottom wall between the inlet opening and the first of the transporting rollers. The switching roller is supported on springs so that, when the cassette rests thereon, it is depressed into the recess, so that the respective spring activates an associated light barrier that issues a control signal. The control signal is used for energizing the drive for the transporting rollers, if de-energized, and for de-energizing the drive, if energized.

Abstract: A silo unloader for unloading silage from a discharge opening in a bottom wall thereof includes a housing mounted in the opening having a downwardly extending discharge chute. The chute includes an inner sloping wall having a lower drip edge and a pair of side walls joined thereto with side edges sloping upwardly with respect to the drip edge in a direction opposite that of the sloping wall. The side edges define lower edges of a discharge outlet of the chute. A discharge door is mounted to pivot between an open and a closed position with respect to the discharge outlet and the door includes a resilient gasket around the perimeter adapted to provide an air-tight seal for the outlet when the door is closed. The discharge chute includes a lower sealing bar joined at opposite ends to the sidewalls, and spaced below and horizontally offset from the drip edge so that material falling over the drip edge does not interfere with establishing a tight seal when the door is closed.

Abstract: A feeding mechanism for a shaft furnace is presented wherein the feeding mechanism is mounted axially on the furnace and employs a vertically adjustable frustoconical dosing element for vertical flow of charging material to a distributing spout.

Abstract: In the long wall mining of coal, a sectional pan-line is positioned along the working face of the coal seam parallel with the working face. The pan-line sections joined together have parallel rails along which the mining machine travels. At least one of said rails comprises a continuous gear rack at a height above ground with which a power driven gear wheel on the mining machine meshes for propelling the machine back and forth along the face of the coal. This invention is for a wheeled flat bed dolly having two parallel rails, one along each side, that are of height and width matching the rails of the pan-line. There is a support at one end of each of these rails to which the ends of the rails of the pan-line interfit with a temporary connection holding the dolly and pan-line against separation.

Abstract: A non-jamming magazine 51 supports bar-like articles 10 in inclined positions so that the lowermost articles may be successively withdrawn and the remainder of the stack will drop without cocking an article between side rails 22 and 23 to jam and preclude further withdrawal of the articles. A parallelogram fixture 50 is used to receive a supply of articles 10 and upon flexing of the fixture, the articles are placed in inclined positions for loading into the magazine.

Abstract: A machine for dislodging cans from a tightly packed bale of such cans has a cavity and an endless track at the bottom of the cavity. The bale is placed in the cavity and allowed to rest on the track. When the track moves, lugs which project outwardly from it, bite into the bale and strip cans from the bale.

Abstract: A revolving floor apparatus (10) for a trailer flat bed (12) or the like is disclosed. The revolving floor apparatus (10) includes endless conveyor chains (30) having a plurality of elongated slats (70) attached along a portion thereof. The transversely extending slats (70) are moved in a spaced relationship by the endless chains (30) longitudinally of the trailer flat bed (12). The trailer flat bed (12) may be used either in a "live floor" configuration wherein the slats (70) are positioned along at least a portion of the top surface of the trailer flat bed (12) or in a conventional configuration wherein the slats (70) are positioned under the trailer flat bed (12) such that the top surface of the trailer flat bed (12) is generally void of any of the slats (70). Furthermore, the chains (30) are recessed in longitudinally extending recesses.

Abstract: Apparatus and methods for transferring articles, such as concrete blocks, from a conveyor to a curing kiln and return comprise a carriage movable along a path leading from the block conveyor to any selected one of a number of curing kilns. The carriage supports a rotary turntable on which is mounted a transfer vehicle provided with article supporting forks that are vertically movable so as to shift articles off and onto the block conveyor, deposit the articles within the kiln, and retrieve the articles from the kiln. the transfer vehicle is movable horizontally relatively to the turntable to enable the article supporting forks to overlie the block conveyor, and the transfer vehicle also is movable horizontally relatively to the turntable and carriage into and out of the selected kiln.

Abstract: A chip material container arrangement is provided for storage of material to be spread in the production of particle and/or fiber boards. The container arrangement is equipped with several discharge rollers arranged one above the other, a base belt and feeder devices. With a discharge opening extending over the width of the container, the density distribution of the material to be spread is controlled by removing appropriately dimensioned material quantities from individual partial streams which partial streams are later combined in the area of the discharge opening to form a total material flow.

Abstract: The present invention is concerned with a conveying apparatus especially to be used for charging a shaft furnace. The apparatus comprises a transferring device consisting of at least one carriage accommodating at least two skips with open tops. At the upper part of the skip there is, or can be attached a lifting handle. The skips are lifted to the emptying position by a lifting device including locking bars and a locking device. The locking bars are situated in relation to the pouring lip of the skip, on the opposite side of the transverse vertical plane bisecting the center of gravity, in order to tilt the skip around the locking bar.

Abstract: Constant supply of electronic components to a processing station is effected by a reservoir and component supply tubes indexed to sequentially unload into the reservoir automatically, as the need arises. Plural component supply tubes are mounted in a cartridge assembly at each station of a multistation processing machine. Upon command of a controller and in response to a low part sensor of a reservoir at each station, the cartridge is indexed to the next tube in order to unload the components of that tube into the reservoir. Each station includes a separate indexing mechanism for each respective cartridge, and a carriage is translated to a position adjacent the indexing mechanism of each station, upon command, in order to effect such indexing.

Abstract: To expedite loading and unloading of a truck, in particular of a beverage supply truck, the truck is provided with a load carrier which is received by a portal-like frame, surrounding the load carrier in the longitudinal direction of the vehicle and open at least at one side. Due to lifting elements, the load carrier can be lifted from the ground into the frame. If the load carrier is lowered to the ground, loading and unloading is facilitated. Moreover, the load carrier can be laterally removed from the frame on a roller conveyor.

Abstract: A cyclone valve surrounds a wall opening through which cladding is projected. An axial valve inlet surrounds the cladding. Air is drawn through the inlet by a cyclone stream within the valve. An inflatable seal is included to physically engage a fuel pin subassembly during loading of fuel pellets.

Abstract: This invention relates to a retention device (30) for releasably maintaining a load engaging member (24) at a transport position (28) which eliminates the problems of supporting and simultaneously locking the load engaging member (24) at the transport position (28), failure of the lock device due to the weight of the load engaging member acting thereon, and alignment of the load engaging member (24) with the locking device. The retention device (30) has a stop (66) connected to the load engaging member (24) and a flange (40) engageable by the stop (66) at the transport portion of the load engaging member (24), to support the load engaging member (24) and the weight thereof at the transport position (28). The retention device (30) also has an engaging device (74) which engages the stop (66) and prevents pivotal movement of the load engaging member (24) from the transport position (28) to a load carrying position (26).