Abstract:
The invention relates to a mechanical sprung anti-backoff device, capable of fixedly immobilizing or releasing a manual control handwheel (4) and a motor acting on one and the same rotation shaft, comprising a cylindrical spring (7, 16), a cylinder (9, 17) mounted so as to rotate on the rotation shaft, said spring being able to rotate with said cylinder, the turns of the spring being in contact with the surface of the cylinder and its ends being capable of coming into contact with said handwheel.The ends of the spring (7, 16) are curved inward or outward, said handwheel (4) may act on the curve of one or other of the ends of the spring (7, 16), and the rotation of the spring (7, 16) is limited by a stop acting against one or other of the ends of the spring.Application to manual control and motorized control valves, on fluid pipes.
Abstract:
An adjustment device for producing a two-sided rotational movement for window lifters and seat adjusters in motor vehicles, containing a drive element; an angle-shifting element with a hollow cylindrical bearing surface, driven by actuation of the drive element; a driven element; a coupling arranged in the power flux between the drive element and the driven element, transmitting an adjustment movement of the drive element exclusively to the driven element when the drive element is moved from a neutral initial position in one direction or another, in addition to a brake lock arranged between the driven element and the output element, blocking torque introduced on the output side; in addition to a reset device which returns the drive element to a neutral initial position. The coupling is provided with a reinforcing lever, which is actively connected to the drive element.
Abstract:
The invention relates to a bidirectional drive for rotating in the one or the other direction of drive a drive wheel which is linked with an adjusting device. The bidirectional drive includes a drive lever which can be rotated about a drive axis, starting from an initial position, in the one or the other direction. The lever is linked with a coupling element for expanding a spring element that is at least partially supported by the cylindrical drive surface of the drive wheel and that entrains the drive wheel in the peripheral direction when the drive lever is moved away from the initial position, while the spring element is no longer supported by the cylindrical drive surface of the drive wheel and the drive wheel is not entrained when the drive lever is returned to the initial position. The coupling element includes expansion cams that can be tilted about an axis spaced apart from the drive axis. The expansion cams expand the actuation lever which is linked with the spring element in such a manner that the spring element which is supported by the cylindrical drive surface of the drive wheel is expanded.
Abstract:
The invention relates to a piece of furniture comprising a body (1) and at least one flap (2) that can be upwardly displaced by means of at least one actuating arm (3) which is joined to the flap in an articulated manner and can preferably be pivoted about a horizontal axis. At least one actuating arm (3) is subjected to the action of a spring device (4), and at least one electric drive (5) acts on at least one actuating arm (3, 3′). A coupling device (40) acts between the electric drive (5) and the actuating arm (3), said coupling device having a free wheel for freely displacing the actuating arm (3) into an open position and/or a closed position, in at least one rotary direction over a defined angular region.
Abstract:
A drive device with override function for a moving device in motor vehicles comprises a drive element 2, an output element 3 with rotationally symmetrical surface connected to the moving device, and a connecting device, which under a drive-side load transmits a drive torque to the output element 3 and in the absence of the drive-side load releases the output element 3, and a carrier wrap spring 4, which is operatively connected to the drive element 2 and can be brought into engagement with the rotationally symmetrical surface of the output element 3, together with a control element 6, 8, 91, 92, which under a drive-side load braces the carrier wrap spring 4 with the rotationally symmetrical surface of the output element 3 and in the absence of the drive-side load releases the bracing of the carrier element 4 with the rotationally symmetrical surface of the drive element 3.
Abstract:
An adjustment device for producing a two-sided rotational movement for window lifters and seat adjusters in motor vehicles, containing a drive element; an angle-shifting element with a hollow cylindrical bearing surface, driven by actuation of the drive element; a driven element; a coupling arranged in the power flux between the drive element and the driven element, transmitting an adjustment movement of the drive element exclusively to the driven element when the drive element is moved from a neutral initial position in one direction or another, in addition to a brake lock arranged between the driven element and the output element, blocking torque introduced on the output side; in addition to a reset device which returns the drive element to a neutral initial position. The coupling is provided with a reinforcing lever, which is actively connected to the drive element.
Abstract:
A clutch mechanism includes rotation operating unit for rotating a second rotational member integrally with a first rotational member, the rotation operating unit includes a collar member installed near the second end of the operating spring, and at least one braking member rotatably disposed generating biasing force containing an element in a radial direction relative to a circumferential slidable contact surface of the collar member. The braking member includes an engaging portion configured to engage the second edge of the operating spring therewith.
Abstract:
A reverse-input shutoff clutch according to the invention includes an outer ring as an input-side rotation member, an inner ring as an output-side rotation member, rollers as torque transmission means, a cage for retaining the roller, a centering spring as an elastic member for positioning the cage, a housing as a stationary-side member, and a sliding spring coupled to and co-rotate with the cage while sliding against the housing. With the constitution described above, the clutch applies rotational resistance induced by friction resistance to the cage.
Abstract:
A door for an automotive vehicle has an inner metal stamping and an outer metal stamping that are secured together along a perimeter to form a shell that includes an upper window frame and a lower hollow body and a window regulator that is part of a window module that is assembled to the shell. The window module includes a structural belt beam, a drive assembly, a rack, a window pane and a window guide channel. The window guide channel has a front run, a header and a rear run, the window guide channel being attached to structural belt beam so that the front run is attached to a forward end of the belt beam and the rear run is attached to a rearward end of the belt beam. The window pane has a front edge that travels in the front run and a rear edge that travels in the rear run. The rack is disposed in the rear run and attached to the rear edge of the window pane. The drive assembly is mounted in a rearward end portion of the structural belt beam by a bracket that supports a reversible electric motor. A pinion gear that is secured to an output shaft of the reversible electric motor meshes with the rack so that the window pane is raised and lowered by the reversible electric motor. The rack is made of a glass reinforced plastic and the pinion gear is made of a plastic coated powered metal to reduce noise and friction.
Abstract:
A reverse-input shutoff clutch according to the invention includes an outer ring as an input-side rotation member, an inner ring as an output-side rotation member, rollers as torque transmission means, a cage for retaining the roller, a centering spring as an elastic member for positioning the cage, a housing as a stationary-side member, and a sliding spring coupled to and co-rotate with the cage while sliding against the housing. With the constitution described above, the clutch applies rotational resistance induced by friction resistance to the cage.