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| Number | Title | Issue Date |
| 7370985 | Vehicular mirror with slip clutch for jack screw actuator A motorized tilt actuator assembly comprises one or more threaded jack screws attached to a mirror glass case and traveling along one or more threaded actuator shafts with rotation of the motor. When a jack screw reaches its limit of travel, relative movement betwee... | 05/13/2008 |
| 7337690 | Leadscrew assembly with a wire-wound leadscrew and a spring-pin engagement of a drive nut to the leadscrew A leadscrew assembly includes a leadscrew having an elongated shaft with an outer lateral surface and a rotational axis, and a leadscrew thread formed of a thread wire helically wrapped in spaced-apart turns upon the lateral surface and affixed to the elongated shaf... | 03/04/2008 |
| 7249534 | Leadscrew mechanical drive with differential leadscrew follower structure A leadscrew mechanical drive includes a leadscrew having a leadscrew axis and a leadscrew thread with a nonzero leadscrew thread pitch, and a leadscrew follower structure engaged to the leadscrew. The leadscrew follower structure includes a threaded insert having an... | 07/31/2007 |
| 7143661 | Leadscrew mechanical drive with differential leadscrew follower structure and brake A leadscrew mechanical drive includes a leadscrew having a leadscrew axis and a leadscrew thread with a nonzero leadscrew thread pitch. A leadscrew follower structure is engaged to the leadscrew. The leadscrew follower structure includes a first leadscrew follower a... | 12/05/2006 |
| 7066045 | Assembly comprising a spindle and a moving nut An assembly comprises a spindle and a moving nut disposed on the spindle. The spindle and the moving nut are made of plastics. At least one of the two components spindle and moving nut being resilient such that the moving nut is prevented from getting stuck on the s... | 06/27/2006 |
| 7066798 | Adapter for grinding machine Disclosed is an adapter for grinding machine comprising: a grinding shaft sleeve of cylindrical shape whose one end is open and having at least one through hole formed at a selected position of an outer circumference; a grinding shaft rotatably and movably fitted in... | 06/27/2006 |
| 7007566 | Actuator for a motor vehicle transmission An actuator for an automated transmission in a motor vehicle drive train has a central actuating shaft with a shift finger. Two sleeves are supported concentrically on the actuating shaft and can be driven in mutually independent rotation. Two grooves of opposite he... | 03/07/2006 |
| 6953313 | Self-locking linear adjustment mechanism A self-locking linear adjustment mechanism may be configured in the form of a rod assembly or a cartridge assembly. The self-locking linear adjustment mechanism in the form of a cartridge assembly includes a self-locking linear adjustment mechanism including a locki... | 10/11/2005 |
| 6692093 | Device for adjusting mounting angle of LCD for refrigerator Device for adjusting a mounting angle of an LCD for a refrigerator including an LCD rotatably mounted on a front surface of a door of a refrigerator by a hinge, and mounting angle adjusting means in rear of the LCD for rotating the LCD to an angle centere... | 02/17/2004 |
| 6516680 | Power steering apparatus A power steering apparatus comprises a rotary cylinder supported with its movement in the axial direction restrained and rotated coaxially with the steering shaft by the force a transmitted from the motor for assisting steering, a plurality of feed rings ... | 02/11/2003 |
| 6415673 | Reinforced lead screw with anti-backlash nut An anti-backlash nut is assembled on a reinforced lead screw for bilateral motion lengthwise of the lead screw as the screw is rotated. A hollow, elongate reinforcing rail extends lengthwise of and surrounds the lead screw. A slot in the rail extends leng... | 07/09/2002 |
| 5937702 | Spring bias wedge in reinforcing rail The reinforced lead screw has a hollow, elongated reinforcing rail surrounding a lead screw and a nut-bearing movable along the reinforcing rail. The nut-bearing has a portion projecting through a slot in the reinforcing rail and includes threads to engag... | 08/17/1999 |
| 5913941 | Reinforced lead screw The reinforced lead screw has a hollow, elongate reinforcing rail surrounding a lead screw and a nut-bearing movable along the reinforcing rail. The nut-bearing has a portion projecting through a slot in the reinforcing rail and includes threads to engage... | 06/22/1999 |
| 5732597 | Pre-loaded self-aligning roller nut assembly for standard micrometer spindle and the like A linear displacement device (1) is provided with a lead screw (24) having a helical threaded portion (70) and a roller nut assembly (10). The roller nut assembly (10) includes a housing (50) having openings (52, 54) for receiving the lead screw (24) ther... | 03/31/1998 |
| 5676019 | Nut assembly using partial nuts to limit harmonic error A nut assembly intended for use with a lead screw in precision movement devices for compensating for harmonic error from the lead screw by utilizing one or more partial nuts which are opposed along an axis of the lead screw such that the partial nuts ride... | 10/14/1997 |
| 5333513 | Averaging half-nuts A relatively inexpensive means for preventing the transmission of thread drunkenness to a carriage or other element being driven by a lead screw comprising a drive nut formed of a pair of half-nuts arranged to engage the thread of the lead screw. An inter... | 08/02/1994 |
| 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 |
| 4569242 | Rapid advancing and retracting mechanism for clamping device The present invention relates to an improved mechanism for clamping means comprising a pair of split nuts resiliently retained in place inside a hollow cylindrical body by spring means, which mechanism can either slidably hold the screw spindle to allow t... | 02/11/1986 |
| 4274294 | Apparatus for converting rotary motion to linear motion Apparatus for converting rotary motion of a screw into linear motion includes three circumferentially spaced nut segments each resiliently mounted for displacing in a radial direction normal to the screw axis. A thin flat plate spring member provides a re... | 06/23/1981 |
| 4176561 | Low tolerance rotary to linear transmission A low tolerance device for converting the rotary motion of a motor shaft into linear motion for use in influencing the stitch bight and work feed mechanisms of a sewing machine. The shaft of a motor is provided with a worm rigidly attached thereto. Two ha... | 12/04/1979 |
| 4044622 | Anti-ejection system for control rod drives A linearly movable latch mechanism is provided to move into engagement with a deformable collet whenever an undesired ejection of a leadscrew is initiated from a nuclear reactor mounted control rod drive. Such an undesired ejection would occur in the even... | 08/30/1977 |
| 4041793 | Electrically adjustable vehicle accessory An assembly, specifically a mirror assembly for a motor vehicle, in part angularly adjustable by an electric motor and drive mechanism. A fixed motor drives a worm that is angularly movable through a flexible coupling into selective engagement with one of... | 08/16/1977 |
| 3978735 | Electrically adjustable vehicle accessory An assembly, specifically a mirror assembly for a motor vehicle, in part angularly adjustable by an electric motor and drive mechanism. A fixed motor drives a worm that is angularly movable through a flexible coupling into selective engagement with one of... | 09/07/1976 |
