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| Number | Title | Issue Date |
| 7311130 | Controlled drive for a garage door panel for the like The invention relates to a system to control the motor drive of a garage door panel which is reciprocatingly movable and guided along a predetermined track between two end positions, and possibly, one or more intermediate stop positions, said garage door panel inclu... | 12/25/2007 |
| 7308693 | Disk drive structure with an adjustable bearing structure for guide bars A disk drive structure with an adjustable bearing structure for guide bars therein. The disk drive includes a base, a spindle motor, a main guide bar located aside the spindle motor, a secondary guide bar located also aside the spindle motor but opposing to the main... | 12/11/2007 |
| 7234536 | Power screwdriver A power screwdriver is disclosed having a drive which is coupled via a clutch, disengaging as a function of torque, to a tool drive shaft for driving a tool. The screwdriver comprises an electronic control unit for controlling the drive, and a sensor which is couple... | 06/26/2007 |
| 7140850 | Peristaltic pump with roller pinch valve control A pump having a rotary portion which compels the movement of a fluid by peristaltic compression of resilient tubing containing the fluid includes a roller assembly having at least one roller mounted in the rotary portion of the pump for contact with the resilient tu... | 11/28/2006 |
| 7048096 | Incremental braking apparatus and method of braking An incremental braking apparatus and method includes a first rotating member having a plurality of rigid stops spaced circumferentially around an outer cylindrical surface of the first rotating member, and a plurality of flexible stops arranged in a plurality of row... | 05/23/2006 |
| 6688447 | Electrical rolling door transmission An improved electrical rolling door transmission including one door controller with one pair of transmission gears, two cams, one position cover and two adjustable shafts, all contained in the FixDisc, allowing the user to adjust manually and directly in ... | 02/10/2004 |
| 6561255 | Overhead door locking operator An operator (10,210) for moving in upward and downward directions a sectional door (D) having a counterbalancing system (30) including a drive tube (31) interconnected with the door comprising, a reversible motor (41), a drive gear (52) selectively driven... | 05/13/2003 |
| 6394255 | Rotary motion limiting arrangement A rotary motion limiting arrangement includes a stationary component, a rotating component rotatable in opposite directions relative thereto, a pair of stops movably mounted on the stationary component for establishing a first set of opposite limits to ro... | 05/28/2002 |
| 6244984 | Switch gear with at least two gear stages A switch gear with at least two gear stages is provided. At least one gear stage is configured as a switching stage, whereby at least one switching stage is formed by a coaxially nonrotatable sunwheel on a drive shaft, by at least one planet carrier carry... | 06/12/2001 |
| 6073504 | Motor/transmission drive unit for driving a component that is movable between end positions A drive unit provided with an end position recognition device includes a radially projecting cam (27) connected to a driveshaft (20) of the drive unit, for reducing the stroke travel of the unit. The radially projecting cam engages, from tooth to tooth, i... | 06/13/2000 |
| 5950790 | Linear stopping and positioning apparatus A linear pneumatic actuator stopping and positioning apparatus has a pneumatic actuator connected to a worktable for moving the worktable along a rectilinear path as well as a selector shaft that is mounted for rotational indexing movement at one side of ... | 09/14/1999 |
| 5887693 | Adjusting device for controlling switch The present invention is an adjusting mechanism for a controlling switch which comprises a transmission mechanism. The gear of the transmission mechanism is meshed with a driving gear and a worm is driven via an inner gear. The worm is further meshed with... | 03/30/1999 |
| 5855141 | Scrolling device A scrolling device includes a first disk, a second disk and a middle disk wherein a shaft extends through the disks and two setting devices are respectively disposed between the middle disk and the respective one of the first and the second disk. A casing... | 01/05/1999 |
| 5647137 | Probe arm for machine tool An arm 12 for holding a tool-setting probe 14 in a machine tool is rotatable between an operative position and an inoperative position. The operative position is defined by elements 48,52 which form a stop against further rotary motion beyond the operativ... | 07/15/1997 |
| 5566593 | Drive device for a vehicle part that is displaceable between end positions A drive device for a vehicle part that can be displaced between end positions, especially for a cover of an openable vehicle roof. The drive device is actuated by an electric motor that is connected, by a reduction gear, to a pinion gear placed on an outp... | 10/22/1996 |
| 5538089 | Power tool clutch assembly A power tool clutch assembly is provided. A first spindle is configured to rotate in a gear case. A drive clutch element is fixed to the first spindle. A second spindle rotates independently of the first spindle. An output clutch element is fixed to the s... | 07/23/1996 |
| 5464260 | Electromechanical drive for a motor-vehicle power door latch A motor-vehicle door latch has a drive having a housing formed with an inner surface formed relative to a main axis traversing the housing with two angularly offset and radially inwardly open notches, a shaft rotatable in the housing about the main axis a... | 11/07/1995 |
| 5446970 | Probe arm for machine tool An arm 12 for holding a tool-setting probe 14 in a machine tool is rotatable between an operative position and an inoperative position. The operative position is defined by elements 48,52 which form a stop against further rotary motion beyond the operativ... | 09/05/1995 |
| 5407044 | Device for limiting the number of revolutions of a shaft for rotary drives of sliding roofs in automobiles A device for limiting the number of revolutions of a shaft for rotary drives of sliding roofs or sliding-lifting roofs or automobiles. The shaft is rotationally blocked in the closed position and in defined intermediate positions of the sliding lid by the... | 04/18/1995 |
| 5404983 | Turn-act multiaction device A multi directional actuator capable of moving a shaft in at least two directions independently including one linear and one rotary movement. A base plate is provided to receive a first actuator having a linearly moving shaft which is extended from and re... | 04/11/1995 |
| 5374791 | Automatic stop device for the electric drive of a door, shutter, blind or the like A compact automatic stop device for two mechanisms for counting revolutions which consist of coaxial counting wheels (10, 10') each associated with a notched cam (14, 14') interacts with a cutoff finger (24, 24') securely fastened to a common cutoff lever... | 12/20/1994 |
| 5307916 | Sensing device A sensing device for monitoring the presence of a tool or other object on an automatic machine comprises a sensing head adapted to be mounted on the machine. The sensing head has a sensing needle mounted on the output shaft of a reversible motor actuated ... | 05/03/1994 |
| 5282523 | Travel limit stop for a motor driven actuator A motor driven actuator having a mechanical stop radially protruding from the motor output shaft which contacts the output mechanism upon reaching an extreme of travel thereby stopping the rotation of the motor by imparting a tangential stopping force the... | 02/01/1994 |
| 5249476 | Automatic selector device for multi-gear change-speed gearbox An automatic selector device for multi-gear change-speed gearbox includes a multi-way valve which can be driven into several valve positions each associated with one gear by a stepper motor whose operation depends on an electronic control unit. Each of th... | 10/05/1993 |
| 5244068 | Device for limiting the number of revolutions of a shaft of a rotary drive for a sliding roof of an automobile A device for limiting the number of revolutions of a shaft for a rotary drive for a sliding-lifting roof of an automobile is proposed. By the cooperation of a detent bolt, actuated by an actuating knob with a spring-loaded blocking pin and with a rotation... | 09/14/1993 |
| 5190503 | Geared rotary actuator with internal stop mechanism Weight and complexity concerns in geared rotary actuators and stop mechanisms for aircraft or the like may be minimized in the structure including a housing (18) adapted to be fixed to another structure, a rotatable input shaft (14) journalled by the hous... | 03/02/1993 |
| 5144858 | Device for limiting rotary movement A device for limiting rotary movement in two directions comprising a housing (18) having a wall (17). A first stationary component (10) is attached to the wall (17) of the housing (18), the first stationary component having an arcuate segment (11) defined... | 09/08/1992 |
| 5141092 | Low spring rate mechanical stop A mechanical stop mechanism (15 or 15') adapted to be accommodated in a container (29) having at least one fixed stop (18, 19) defining a limit position for the stop mechanism (15 or 15'). The stop mechanism (15 or 15') includes a helical spring member (S... | 08/25/1992 |
| 5133440 | Rotary stop mechanism with track actuation of a stop pin A rotary stop mechanism (10) in accordance with the invention stops rotation of a shaft (12) at a fixed angular position in response to relative rotation of first and second gears (14, 16) on the shaft through a fixed angle which causes a stop pin (26) to... | 07/28/1992 |
| 4934504 | Apparatus for setting turning movement region of trunk body of industrial robot Angular regions (A, B) for turning a trunk body (12) of an industrial robot can be changed in accordance with an operation of the industrial robot by setting movable stoppers (18, 20). Turning movement can be stopped by an electrical means (LS1, LS2, LS3,... | 06/19/1990 |
| 4932511 | Rotary travel limit stop apparatus A rotary travel limit stop is provided for the purpose of providing positive mechanical stops for rotating machinery. Second and third rotatable members are arranged in gear mesh relation with a first rotatable member. The second and third rotatable membe... | 06/12/1990 |
| 4930611 | Rotary travel limit stop A rotary travel limit stop is provided to cause the rotation of the rotary actuator to cease. Second and third rotatable members are arranged in gear mesh association with the first rotatable member and the second and third rotatable members are provided ... | 06/05/1990 |
| 4877120 | Actuator mechanism having adjustable stop An actuator includes a main shaft (16) at the input of a speed reducing gear unit (29-32) which carries an overtravel stop mechanism. The grounded stops (68) are adjustable by a worm gear (72) to allow a near infinite resolution of the position for the ov... | 10/31/1989 |
| 4838403 | Overtravel stop activated control valve An overtravel stop for a rotary shaft (12) is disclosed having first and second embodiments. In the first embodiment, braking torque for the shaft is supplied by the restriction by valve (14) of at least hydraulic fluid flowing in low pressure hydraulic f... | 06/13/1989 |
| 4828094 | Motion range limiting apparatus for industrial robots An apparatus for limiting range of motion of an industrial robot in accordance with the invention includes an indicating section (7) for indicating e.g. angles of rotation provided on a stationary side (1) of the swivel portion of an axis about which swiv... | 05/09/1989 |
| 4815339 | Antenna shaft positioning device An apparatus for stopping a rotating antenna shaft at a distinct position intermediate two end stop positions 23, 24. Paddle 12 on the rotating shaft 21 cooperates with intermediate stop assembly 26 to arrest bi-directional shaft rotation at an intermedia... | 03/28/1989 |
| 4780785 | Double-acting rotary drive for a control device A double-acting rotary drive for a control device having an end position fixed in the form of a stop, includes a motor, a torque-changing gear connected to the motor, a driver associated with the torque-changing gear for neutralizing a torque-increasing a... | 10/25/1988 |
| 4721196 | Overtravel stop An overtravel stop for a rotary shaft, including a fixed stop having at least a pair of stop jaws disposed at different radii from the axis of the rotary shaft. A follower member is provided about the rotary shaft and is adapted to rotate with the shaft w... | 01/26/1988 |
| 4685347 | Indexable star wheel A star wheel is formed with angularly spaced teeth and intervening pockets and is indexed through one step each time a rotatable actuating pin enters one of the pockets. One of the teeth has a significantly greater angular width than the other teeth and h... | 08/11/1987 |
| 4641737 | Bi-directional overtravel stop An overtravel stop for a rotating shaft has a pair of gears associated with the shaft to rotate therewith. Each gear engages an associated limiting gear and the two engaged gear pairs have different gear ratios. One of the limiting gears is threaded over ... | 02/10/1987 |
