Class 74/424.6 - Driven rack or shaft

Subclass of Class 74 - Machine element or mechanism
Definition: Spiral gearing, in which the driven element is a rack or
No. of patents: 40
Last issue date: 12/18/2007

Number	Title	Issue Date
7309073	Steering system A rack shaft has a rolling contact surface on the opposite side of rack teeth across an axis line X, and a pair of slanted surfaces extending in parallel with the axis line across the rolling contact surface. Furthermore, a roller rolling on the rolling contact surf...	12/18/2007
7270619	Linear belt actuator a linear actuator capable of transmitting tractive forces as well as thrust forces and operating then as a rigid single-piece rod. The linear actuator has two identical actuating belts (1, 1′) with notches on each of their sides (10, 10′; 11, 11′...	09/18/2007
7237449	Drive mechanism and movable table unit provided with the same A drive mechanism is interposed between two members to make the members move relatively with respect to each other. At least one of the two members is guided to move linearly. The drive mechanism comprises: cam followers that are rotatably supported on one of the tw...	07/03/2007
7222550	Adjusting device with automatic release mechanism An adjusting device has a carriage, at least one guide element, on which the carriage is mounted such that it can be moved, a shifting device for moving the carriage, and a securing mechanism for securing the carriage in a desired position. To provide an improved ad...	05/29/2007
7082722	Method and apparatus for making an elongate spindle member of chain links for transfer of pressure and tensile loads An elongate spindle member having rigidity and stability against pressure and tensile loads as well as bending and torsional loads is made by winding-up a plurality of mutually interlocking chain links (1, 12), during axial advancement of the chain links, int...	08/01/2006
7082720	Cable guide and power supply apparatus for a vehicle slide door A power supply apparatus for a vehicle slide door, including a cable installed between a vehicle body and a slide door and a cable guide for guiding the cable. The cable guide includes a plurality of link members interconnected into a linear configuration. The cable...	08/01/2006
7063498	Method of and apparatus for transferring articles from a first position to a second position A takeout arm assembly (10) for an I.S. glass container forming machine, the arm assembly having a housing (14) that is oscillatible about the central axis of a first shaft (12). The housing has a first gear (16) that is coaxial with the ...	06/20/2006
6991573	Steering actuator of independent steer-by-wire system A steering actuator of an independent type steer-by-wire system comprises a housing fixed to a vehicle body and an ultrasonic motor. The ultrasonic motor has a stator internally fixed to the housing and a rotator rotating relative to the stator when an electric curr...	01/31/2006
6981573	Scaffold lift system A scaffolding system has a pair of vertical posts supporting a platform traveling vertically on the posts. A traveler device attaches to and engages each of the vertical posts and supports the platform. Each traveler device has a sprocket gear engaging a complementa...	01/03/2006
6962468	Clamping device for tool holder A tool assembly includes a support body, a clamping device, and a tool holder clamped in a groove of the support body. A stopper block is disposed in the groove and abuts against the tool holder for positioning the tool holder along an axis. The stopper block is hel...	11/08/2005
6916137	Clamping device for tool holder A tool holder is held in a support body by a clamp which is wedged between the support body and the tool holder. The clamp is secured in the support body by a threaded fastener that extends through a through-hole formed in the clamp. The fastener carries a flange wh...	07/12/2005
6755283	Spiral propeller A spiral propeller provides a better secure and a more reliable spiral comprising spiral-lifting wheels, interlocking wheel interlocked with the spiral-lifting wheel, and fixed track supporting the interlocking wheel; the spiral lifting wheel is a rotating wheel wit...	06/29/2004
6598708	Tapered roller screw apparatus and its driven device A driving apparatus includes a roller screw that includes a main shaft, a plurality of roller shafts projecting radially outwardly and upwardly at an angle from the radial direction of the main shaft and arranged along a helical line there around, and a p...	07/29/2003
5761962	Shaft rotation driving apparatus for machine tool A shaft rotation driving apparatus for a machine tool having a main spindle for rotating a tool or a workpiece, comprises: a magnetic anisotropic rotor formed integral with the main spindle itself or with a rotary sleeve itself fitted to the main spindle;...	06/09/1998
5636705	Apparatus for moving a work platform along a rail The scaffolding comprises a post having a plurality of vertically aligned and equally spaced studs protruding on one of its surfaces. A frame supporting a work platform can move along the post, a sleeve being attached to the frame for guiding it along the...	06/10/1997
5553565	Work moving device in sewing machine In a sewing machine which moves a work to be sewed with respect to a sewing needle which stitches a seam on the work, a work moving device includes: a pair of stationary racks spaced from each other, the stationary racks being set in parallel with each ot...	09/10/1996
5481931	Device for the adjustment of the orientation of door mirrors in motor vehicles A device for the adjustment of the orientation of door mirrors in motor vehicles is provided with electric motors to drive, through two reduction units, a support of the door mirror. A first reduction unit comprises a worm screw and a gear wheel integral ...	01/09/1996
5247500	Elevating and lowering system in a multi-disk player The invention relates to a multi-disk player which can store a plurality of disks and can choose any of the stored disks for consecutive play. An elevating and lowering rack (44) provided at one end of a loading base (12) is driven by a worm gear (43) to ...	09/21/1993
5241873	Transmission that converts a rotary into a translational motion Transmission that converts a rotary into a translational motion and is preferably attached to a motorized drive assembly, with a rotary drive mechanism and a translationally channeled motion-transmitting component that is attached to the drive mechanism i...	09/07/1993
5213010	Driver power transmitting apparatus of twin shaft extruders The driving power transmitting apparatus for use in twin shaft type extruder is constituted by a first screw driven by a power transmission shaft through a coupling member, and a second screw is driven by two parallel sets of idle plane gear, an idle shaf...	05/25/1993
5188052	Transporter unit for adjusting a genoa lead block and car A transporter unit is used for abutting against a genoa car or lead block on a track on the starboard or port side of a deck of a sailboat to lock or move the lead block to adjust the jib sheet angle while sailing. The unit is slidably engageable on a mod...	02/23/1993
5186067	Mechanism for converting rotary motion into translation motion The present invention provides a mechanism for converting rotary motion into translation motion, the mechanism comprising a first member which is rotated and which is constituted by a cylinder having a helical spring threaded thereover and fixed thereto a...	02/16/1993
5154092	Internal worm drive and oscillating roller assembly for use in inking systems for printing presses An internal worm drive has a worm gear and a substantially hollow tubular worm with an outer surface and an inner surface. The inner surface has at least one internal worm thread mating the worm gear. The axis of the worm gear is substantially perpendicul...	10/13/1992
5085094	Door operator coupling assembly A screw and guide rail coupling assembly is for a garage door operator. The garage door operator has a motor-driven rotatable screw at least partially within a nonrotatable guide rail and a slide guided by the guide rail and movable longitudinally thereal...	02/04/1992
5062551	Postless pushup container The present invention is directed toward a material dispensing container that uses a flexible band to drive a piston within a storage container. The band is so formed so that it can be easily wound or folded within a small area at the bottom of the storag...	11/05/1991
4898044	Cam-driven linear actuator apparatus A precision, high load capacity linear actuator apparatus incorporating a rotary-actuated cam is disclosed. A moveable load carriage assembly containing a cam member mounted on bearings therein is free to ride linearly on stationary tracks. The cam member...	02/06/1990
4827668	Chain operator for a window The present invention concerns a chain operator for a window which comprises a chain formed of a plurality of interconnected chain links and a casing having a spaced first and second chain exit openings. A chain guide track is disposed in the casing and e...	05/09/1989
4819495	Gear for converting a rotary into a translational motion An arrangement for converting rotary motion into translational motion in which a motion-transmission device that is movable translationally, is divided into two strings that move longitudinally along their direction of motion. A driving motor provides rot...	04/11/1989
4785685	Rack guide of synthetic resin for a rack and pinion type steering device The synthetic resin rack guide to be housed in a gear box of a rack and pinion type steering device for a vehicle. The rack guide includes a generally semi-cylindrical head, an outer cylinder and an inner cylinder. The generally semi-cylindrical head incl...	11/22/1988
4765651	Adjustable anchoring slide block assembly An adjustable seat belt system having a plurality of anchor fittings where one or more anchoring slide block fittings comprise a gear mounted to the anchoring slide block for positioning the anchoring slide block along a track by a manual rotation device ...	08/23/1988
4763539	Mechanical converter from rotational to linear movement This disclosure relates to an apparatus for converting rotational movement into linear movement. The apparatus includes a roller unit and a rotatable screw. The roller unit is adapted to be journaled on a fixed body, and has peripheral flanges axially spa...	08/16/1988
4741220	Hydrostatic pressure worm-rack devices In a hydrostatic pressure worm-rack device of the type comprising a worm formed with operating oil supply opening at the opposite flanks of respective teeth of the worm, opposite flanks of respective teeth of the rack being formed with oil pockets, there ...	05/03/1988
4726247	Gear for converting a rotational into a translational motion An actuator has a worm gear which drives a pair of flexible parts into a guide where they are united to form a rigid transmission member. The parts have interlocking teeth which cooperate with each other to transmit stresses in compression and tension alo...	02/23/1988
4641806	Screw slide system having a manual or electric control or the like The slide comprises two fixed lower sections and two upper sections. A gear-down mechanism is rigidly connected to one of the upper sections, the fixed lower section having an inner face provided with a toothing forming a rack. Reversible endless screws a...	02/10/1987
4544310	Clutch and transmission mechanism A mechanism for machining an object, such as a key blank, to a desired shape at a plurality of successive positions in an axial direction of the object, includes a holder for the object. The holder is axially movable by means of a transfer mechanism with ...	10/01/1985
4541297	Rotating shaft of roller screw structure and its driven device A rotating shaft is provided with a large number of support shafts arranged on a helical line, and the support shafts are provided with rotatably supported rollers driven members are provided which are interlockingly engaged mutually with the rotating sha...	09/17/1985
4478103	Worm gear mechanism A worm (10) and worm gear (12) mechanism in which the gear (12), in addition to its gear teeth (20), also has a helical thread (22) formed thereon. The helical thread (11) of the worm (10) conventionally meshes with the gear teeth (20) of the worm gear (1...	10/23/1984
4341128	Device for moving a slidable stage on a two-dimensional plane A pair of parallel lead screws are meshed with a pair of helical racks provided on opposite faces of a movable stage slidable on a flat or cylindrical base plate. The pair of parallel lead screws are driven by a pair of electric motors independently of ea...	07/27/1982
4215591	Low friction rack and pinion steering gear A rack and pinion steering gear in which the rack is supported under normal or lightly loaded conditions by one or more rolling elements bearing on a face or faces of the rack, the support being spring loaded to urge the rack into slack-free engagement wi...	08/05/1980
4016774	Rack and pinion steering gear A rack and pinion steering gear for automotive vehicles includes a housing having a longitudinal bore in which the rack reciprocates and a cross bore in which the pinion which meshes with the rack is rotatably mounted. The rack is slidably mounted in the ...	04/12/1977

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Class 74/424.6 - Driven rack or shaft