Abstract: An elastic, fluid impervious annular shield having transversely extending folds for sealing the openings in a U-shaped well formed in a wheel rim from which spokes extend in a radial direction toward a hub used in mounting the wheel rim on an axle of a sports-type vehicle, such as a motorcycle or sports car.

Abstract: A rail vehicle including means for converting energy released during braking of the vehicle to a stored potential energy which may be subsequently used to impart acceleration to the vehicle. Pressure accumulators are utilized where the accumulators include a gas which is compressed by braking forces and where the heat of the compressed gas is stored in latent heat storage elements contained within the accumulators. The track upon which the vehicle rides comprises a hermetically closed tubular chamber enclosing the vehicle and which is filled with water vapor to reduce drag on the vehicle.A method of propelling a rail vehicle including the steps of recovering the brake energy produced during braking to a stop, storing this energy and then using the energy to accelerate the vehicle from the stop.

Abstract: A releasable stop for releasably stopping a vehicle moving through a conduit. A stop gate is supported for pivotal movement into and out of the path of movement of the vehicle. First and second arms are pivotally connected together between the gate and a support and a pneumatic piston and cylinder assembly actuates one arm for moving the gate between a closed and opened position. The pivoting arms are moved into or slightly past a dead center position when the gate is in the closed position whereby the impact of a vehicle engaging the gate will be transmitted to the support instead of to the piston and cylinder assembly. When the gate is closed, the dead center position of the arm maintains the stop gate in a locked position. The stop gate may be sized and shaped to entirely block the conduit to provide a dead end air cushion stop assist.

Abstract: A loading apparatus for a cargo vessel comprising conveyor means including a loading-in conveyor, a first turning conveyor, a traversing conveyor, a second turning conveyor and a lowering conveyor; and conveyor switching means to move said first and second turning and traversing conveyors transversely of said vessel either to a first position in which one of said first and second turning conveyors projects from one of the sides of said vessel over a quay, or to a second position in which the other turning conveyor projects from the other side of said vessel over the quay. In the first position of the movable conveyors, the loading-in conveyor is arranged between the one turning conveyor and the quay in an inclined manner while the lowering conveyor is arranged between the other turning conveyor and the bottom of the uppermost hold of said vessel in an inclined manner.

Abstract: Installation for loading and unloading ships anchored at a distance from the shore. An overhead transporter with an aerial cable passing over the ship connects a pontoon to the shore. The moment exerted on the pontoon by the tensioned cable is compensated at least partially by an asymmetrical form of the hull of the pontoon.

Abstract: Side shift backhoe clamped by two vertical acting and one horizontal clamp. Restrictors allow operation of vertical clamps prior to horizontal to prevent loading of slide rail. Vertical clamp actuators are secured in casting by L-shaped slots which allow actuator to be secured without bolts and allow vertical movement of actuators. Hook on casting takes longitudinal loads and resolves them partially to vertical loads.

Abstract: A railroad bed assembly for supporting thereon metallic railroad tracks is formed with a base structure which consists essentially of reinforced concrete made as prefabricated blocks with the base structure including a slab section adapted to be installed over a ground formation at the railroad bed site and with at least one upwardly extending projection running transversely to the direction of the tracks and having a trapezoidal cross sectional configuration taken in a plane extending parallel to the tracks. The projection and the slab are integrally formed of prestressed concrete material and the projection extends to form a cross tie for supporting thereupon the tracks.

Abstract: A piston and cylinder motion dampening device having spiral groove metering, an orificed two-way pressure relief valve or a screw-on spring or an over-extension limiting seal retainer.A push-together method of assembling a piston and cylinder motion dampening device.A motion dampening device with a baffle chamber.

Abstract: Device for automatically loading a machine tool, particularly a shaving machine, comprising on the one hand a chute conveying the workpieces, particularly gears, to a loading station, on the other hand an equipment whose support is mobile in translation along a rectilinear slide by means of a double-acting hydraulic or pneumatic ram, said slide extending at least between the loading station and the work station of the machine tool. The mobile equipment comprises two units each comprising two arms, the two arms of the front, unloading unit as well as the front arm of the rear, loading unit, being mounted to pivot on the sliding support. A linkage connects the three pivotal arms and is coupled to a double-acting hydraulic or pneumatic ram, mounted on said support and ensuring the passage of the pivotal arms from a high position to a low position, and vice versa.

Abstract: A toy vehicle track section for use with similar track sections to form an interconnected track for a toy vehicle includes a base formed of electrically non-conductive material having opposite ends with at least one of the ends having a plurality of generally wedge shaped projections extending longitudinally therefrom. The other of the track ends has a plurality of generally complementary wedge shaped recesses for receiving the projections of an adjacent track section. The recesses and projections have cooperating means formed thereon for resisting longitudinal engagement of the projections from the recesses of an adjacent track section and the base includes longitudinally extending conductive strips associated with opposed projections and recesses to provide a complete electrical circuit about the track in its assembled form.

Abstract: The device, adapted to be associated with a motorized hauling installation, comprises a self-clamping jaws block with a safety cable passing through it onto which the load can be transferred by clamping the jaws. The jaws block is connected by means of control rods to a mobile chassis of which one end is adapted to pivot, in case of a fall, about a fixed point of the casing, this pivoting action activating an electric detector which stops the machine motor. (FIG. 1).

Abstract: A method of disposing a bar of rectangular cross-section includes firstly placing the bar on a first substantially cylindrical surface which is connected to a second cylindrical surface along a common generatrix. Two tangential planes along the generatrix form a dihedral angle, preferably 145.degree.. The first surface is then tilted to cause the bar to slide toward the common generatrix until it abuts against the apex of the dihedral angle. The tilt is increased until the bar either slides or tips onto the second surface. Thereafter, the bar, which rests on the second surface on one of its wider sides, is collected. An apparatus for carrying out the method includes at least two substantially cylindrical surfaces connected along a common generatrix. Two tangential planes along the generatrix form a dihedral angle, preferably 145.degree.. The cylindrical surfaces are formed on the edges of at least two rotatable members of cruciform shape.

Abstract: A composite railroad tie of structurally distinct components adhesively joined in layers to form a unit. At least one of the components being of high density phenolformaldehyde bonded particleboard manufactured in a platen press with heat. At least two elements disposed close to and parallel the broad surfaces are composed of lumber with grain direction oriented parallel the long axis. A remaining centermost element, affixed to the above two lumber elements, is relatively non-critical, being selected from lumber or particleboard of adequate shear and compressive strength on the basis of availability, cost, ease of treatment with preservative, etc.

Abstract: A wheel mounted chassis is provided with a pair of spaced and parallel conveyor chains extending longitudinally from the front to the rear of the chassis. A pair of cylindrical bale, pick-up arms are pivoted forwardly of the chassis and are adapted to be engaged with each end of a bale to be picked up. Fluid operator means pivot the arms and the bale through an arc and deposit the bale onto the conveyor chains. The arms then return to the forward position to pick up the next bale. As the arms move rearwardly through an arc, means are operatively connected to the conveyor chains to move the upper runs thereof rearwardly a predetermined amount and stop clutch or ratchet means prevent forward movement of the upper runs of the conveyor chains when the arms move forwardly. The first bale is thus moved rearwardly as the next bale is picked up and deposited and this continues until the chassis is full or enough bales are loaded thereon.

Abstract: An improved apparatus for rotating and discharging articles such as stacks of newspapers combines a turntable and discharge elements in a sub-assembly that rotates as a unit relative to the frame. Rotation of the turntable and motion of the discharge elements are coordinated but not made synchronous.

Abstract: A friction shoe is provided on a railway car truck to frictionally engage both the side frame column and bolster in order to control the oscillating movement of the latter. The interfaces between the friction shoe and its reaction surfaces on the side frame and bolster are arranged so that initial contact is made against surfaces adjacent the lateral ends of the shoe, thereby providing the maximum restraining moment to resist lozenging of the truck.

Abstract: A door frame assembly process for conventional railway hopper car discharge openings. Five individual frame components are formed of plate or rolled angle members, and are assemblable in a jig. One dimension of the assembly is defined by the predetermined length of two of the main components, while the other dimension is adjustable in the jig. The door closure surface forming member is a separate component, and may be adjustably positioned with respect to the other four components before being affixed thereto.

Abstract: The disclosure relates to an overload protection apparatus for hoisting machine such as rope hoists or chain blocks. The apparatus has a slipping gear unit and a ratchet gear unit which are arranged on a shaft in a reduction gear assembly. The ratchet gear unit is adapted to be applied with a torque only when the hoisting machine is lowering the load, so as to impart an additional functional force to the slipping gear unit during a braking.

Abstract: A tire having a reticulated or foraminous plastic reinforcing member within an elastomeric body. This tire can be made by reticulating polyester or nylon type plastic to give a foraminous member and then injecting a liquid elastomer or elastomer precursor into a mold to fill the interstices of the foraminous body.

Abstract: The disclosure relates to an overload protection apparatus for hoisting machines such as rope hoists or chain blocks. One gear incorporated in the reduction gear train of the hoisting machine is composed of an outer and an inner gear units between which torque is transmitted through resilient means acting therebetween. The resilient means are adapted to be compressed, upon receipt of an excessively large torque, i.e. in case of an overload, to allow a relative movement in the direction of rotation between the outer and the inner gear units. The relative movements of the gear units in the direction of rotation is then converted into a movement in the direction of thrust. Detecting switch is provided for opening an electric circuit for lifting, upon detecting the movement in the direction of thrust, thereby to stop the lifting operation.