Abstract: A vehicle body door check (10) includes a scissors assembly (20) and a keeper (48) received between a pair of elongated check arms (22,24) of the scissors assembly and operable under the bias of a spring (46) to hold an associated vehicle door in an open position upon engagement with a check formation (36).

Abstract: An infinite door check mechanism for enabling a door to be moved from a closed position in a door frame to any one of a plurality of different open positions including a clevis adapted to be mounted to the frame, an elongate strip member mounted to the clevis and directed outward from the frame, a door check housing adapted to be mounted on the door, the strip member extending at least partially through the housing, and a support member arranged in the housing. A movable locking member is arranged in the housing such that the strip member is interposed between the locking member and the support member. A biasing member such as a spring is positioned in the housing for selectively pressing the locking member against the strip member to force the strip member against the support member and thereby retain the strip member in a fixed position and releasing pressure of the locking member against the strip member and thereby enable movement of the strip member.

Abstract: A self locating check arm assembly, including an elongated arm pivotally mounted to a base portion. A spring is provided for biasing the elongated arm toward a first position. A housing portion is provided having an opening therethrough for receiving the elongated arm. The housing supports arm engaging portions and is adapted to be mounted to a door of a vehicle. A surface locator defines the first position against which the elongated arm is biased by the spring. The self locating check arm allows a door to be fully opened without disabling the check arm whereby when the door is opened beyond a predetermined position, the elongated arm disengages from the housing and the elongated arm is biased by the spring against the surface locator such that an end of the elongated arm is properly aligned with the opening in the housing when the door is returned to the predetermined position and is automatically reengaged with the housing when the door is moved beyond the predetermined position toward a closed position.

Abstract: A door brake assembly (20) to control the closing of a dipper door (11) on a shovel dipper (10) has a torsion bar (39) connected to the dipper door (11) by links (15, 32). A lever (48) on the other end of the torsion bar (39) selectively engages spaced snubbers (57, 58) to provide a braking (or damping) action to the dipper door (11) in the last portion of its travel to the open or closed position. The torsion bar (39) is mounted in journals (23, 24, 43, 44) on a base (22) mounted on the dipper (10). Usually, each dipper door (11) is provided with a pair of the brake assemblies (20) mounted in mirror image.

Abstract: A multi-stage door opening device. This device reliably retains the door as it was opened at a desired opening angle and generates no operational noise in opening and closing motions of the door and lengthens the using life. An arm is hinged to a car body and comprises a steel core totally coated with a high strength engineering plastic material. This arm is partially thinned in order to provide a plurality of locking portions. A hinge pin hole of the arm has a synthetic resin bushing placed beside the steel core. A stopper is engaged with a notched fixing portion of the arm for limiting a full door opening position. A locking unit is slidably penetrated by the arm and locked to one of the locking portions of the arm. A locking body of the locking unit receives a pair of roller units slidably contacting with the arm.

Abstract: A door check for controlling pivotal movement of a vehicle door between a closed position and one or more open positions, sometimes incorporated in a hinge, includes a rigid, elongated track member having two opposed track surfaces with at least one detent receptacle in one track surface or in both track surfaces. A roller detent member engages one track surface in rolling pressure contact at least part of the time whenever the door moves between its open and closed positions; a second detent member, comprising a sliding, self-aligning, non-rotational bearing, engages the other track surface. Both detent members are formed of a fiber reinforced resin, such as a glass fiber reinforced nylon. The second detent member is urged toward one track surface by an elastomer pad, preferably an elastomer such as a silicone polymer that retains its elastic properties over a wide temperature range that extends beyond the temperatures of manufacturing processes or human environments.

Abstract: In a door fastener for motor vehicle doors which can be assembled independent of the door hinges and whose door holding bar, which is formed by means of a sheet metal material blank, cooperates with a torsion bar spring supported in a holder housing formed from a folded sheet metal material blank, the shaft of the torsion bar spring is supported at the side walls of the holder housing of a bearing shell which made of a maintenance-free, self-supporting material, bridges the holder housing and is secured at the latter against a movement in the axial and radial directions.

Abstract: In a door fastener for motor vehicle doors, whose rigid door holding bar, which is fixed at a door arrangement part, penetrates a holder housing in the other door arrangement part and is supported on the one hand against a rigidly supported abutment roller and is acted upon by means of a loading roller which is supported on the free loading arm of a torsion bar spring supported in the holder housing, the two rollers are equipped on both sides with a lubricant reservoir, which is accommodated in caps which are clipped on on the front sides of the rollers and is sealed relative to the respective bearing axis of the roller by means of sealing lips constructed at the caps.

Abstract: A door holder for motor vehicle doors includes a housing with guide tracks and detent recesses as well as a guide body secured at a holding strap whose balls mounted in a bushing and acted upon by a compression spring by way of intermediate plates engage in the detent recesses, whereby the bushing surrounds the balls beyond half of their height, and in which the bushing includes at half of its length within its bore a support part for the compression spring, and the guide tracks are extended beyond the detent recesses up to an end abutment.

Abstract: Round bales require to be unrolled in order that the contents are available to the cattle and usually they are unrolled by mounting same in a frame and then towing the frame behind a tractor. The present device is mounted at the front of a tractor and includes a frame with two spaced and parallel prongs for spearing the bale in order to move it in position from a storage area. When in the desired location, the prongs are withdrawn and one of the prongs is engaged axially with the bale. The prong is then lowered until the periphery of the bale engages the ground at which time it is unlatched. The tractor is driven forward and to one side thus moving the bale and prong through approximately 90.degree. so that the axis of the bale is perpendicular to the direction of travel. Driving the tractor forward unrolls the bale raising the frame which is tilted forwardly, causes the prong to swing forwardly and latch automatically.