Famous Patents
British merchant Peter Durand invented the tin can in 1810.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7784374 | Separable carrier block A separable carrier block assembly constructed for cooperation with a threaded lead screw of a machine. The carrier block assembly is constructed of mating block body halves comprising a first body half and a second body half. The mating body halves are separable at... | 08/31/2010 |
| 7610828 | Flight control surface actuator assembly including a free trial mechanism A flight control surface actuator includes a mechanism that enables the actuator translation member to be selectively decoupled from the actuator rotating member. The actuator includes an actuation member, a translation member, an extension member, and a locking mem... | 11/03/2009 |
| 7543516 | Dynamic lead screw thread engagement system and method A system and method for automatically aligning the threads of a lead screw with the threads of a screw drive mechanism, the screw drive mechanism operating to translate the rotational motion of the lead screw into linear motion to expel the contents of a mounted syr... | 06/09/2009 |
| 7415906 | Manually actuated positioning device with high resolution and large range of motion A linear stage having a screw-nut assembly is actuated by the rotational motion of the screw. A mechanism, which is an integral part of the nut, quickly disconnects the screw and the nut, allowing rapid positioning of the linear stage in both the forward and reverse... | 08/26/2008 |
| 7338472 | Directly engaged syringe driver system A syringe driver system comprises a rotatable threaded lead screw shaft and a plunger which directly engages the threaded shaft such that rotation of the shaft drives the plunger into the syringe body. The plunger is formed with a threaded shaft engaging portion in ... | 03/04/2008 |
| 7313978 | Linear motion device associated to a worm A linear motion device (10) associated to a worm (14) including a body (12) internally provided with a housing seat for partially receiving a worm having a plurality of grooves, a mobile device (52) for temporary engagement in an exposed ... | 01/01/2008 |
| 7228935 | Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e... | 06/12/2007 |
| 7207971 | Pressure relief devices for use with balloon catheters A pressure relief mechanism is incorporated into a modified syringe-type inflation device that may be coupled to a balloon catheter for inflating and deflating the balloon. An engagement mechanism selectively engages and disengages from a threaded shaft for advancin... | 04/24/2007 |
| 7182751 | Liquid injection system with cylinder adapter holding cylinder flange of liquid syringe with pair of movable holders A cylinder adapter holds a cylinder flange of a liquid syringe with movable holders that are selectively openable and closable. The cylinder adapter can reliably hold the liquid syringe. ... | 02/27/2007 |
| 7127791 | Split nut for use with a rod having dual directional screw threads about a common diameter A docking apparatus for printed circuit boards including a cassette housing defining a housing cavity for containing a printed circuit board (PCB) and a linkage mechanism associated with the cassette housing. The linkage mechanism includes a linkage arm pivotally co... | 10/31/2006 |
| 7107805 | Method for the production of a spindle nut of a spherical thread drive mechanism Method for the production of a spindle nut (3) of a spherical thread drive mechanism, whereby the spindle nut (3) has at least one screw-shaped track (4) formed as a single piece on its inner circumference, whose threads (38) are limited ... | 09/19/2006 |
| 7096845 | Captured nut using a stamped retention feature A bracket and nut assembly including a bracket having a first end and second end. The first end includes a first substantially planar portion spaced apart from and positioned substantially parallel to a second substantially planar portion. A third portion interconne... | 08/29/2006 |
| 7081104 | Method and apparatus for injecting fluid into animals and disposable front loadable syringe therefor An animal fluid injector, replaceable syringe and method of replacement of the syringe in the injector are provided in which the syringe is loadable and unloadable into and from the injector through the open front end of a pressure jacket of the injector, thereby pe... | 07/25/2006 |
| 7076917 | Driving system for garage door A driving system for a garage door includes a track having an end fixed on an inside of a wall and has an open side that faces upward. A driving assembly is movably received in the track and driven by a motor. The driving assembly includes a connection member to whi... | 07/18/2006 |
| 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 |
| 7055195 | Patient bed with CPR system An electrically activated emergency system for a patient bed comprises: an electrically powered linear actuator for driving a back rest of the patient bed from a lowered back rest position to a raised back rest position and operable to permit the back rest to lower ... | 06/06/2006 |
| 6851330 | Ball nut and method of high volume manufacturing of same A ball nut has at least one internal bearing race with a first end and second end, and at least one recirculating crossover passage for connecting the first end with the second end of the bearing race to form a continuous recirculating path for a plurality of ball b... | 02/08/2005 |
| 6488180 | Power operated caulking gun Power operated caulking gun having a housing, a cradle extending from the housing for receiving a cartridge of fluent material, a push rod for engagement with a cartridge in the cradle for dispensing the fluent material from the cartridge, a drive shaft e... | 12/03/2002 |
| 5970812 | Quickly movable elastically engaging screw-and-nut mechanism A screw-and-nut mechanism comprises a supporting seat, one or more semi-nuts and the actuating member thereof, characterized in that the engagement of internal thread on the semi-nut with external threa on the screw is started elastically, then completed ... | 10/26/1999 |
| 5871299 | Quick-release mechanism for a compressing device A quick-release mechanism includes a screw shaft rotatably extending through a first member, a central hole of a gear and a second member, the first member having a slot defined therein so that a plate is movably received therein which has a notch portion... | 02/16/1999 |
| 5713242 | Actuating mechanism for fluid displacement and pressurizing device Actuating mechanism for rapidly and selectively moving a threaded screw and nut member combination into or out of threaded engagement, particularly for use of the screw as a control fluid plunger to pressurize angioplasty balloon catheters, or the like, w... | 02/03/1998 |
| 5622251 | Transfer device for performing a linear transfer movement The invention relates to a transfer device for performing a regular, linear transfer movement including a body (1), provided with a threaded bar (2), a stepping motor (3) for driving the threaded bar (2), two guide bars (4, 5), a slide (6), and a follower... | 04/22/1997 |
| 5601121 | Device for controlling the gripper straps on looms A device for controlling weft carrying grippers on a continuous weft feed loom has a connecting rod-crank mechanism that controls rectilinear translation of a slide along a fixed guide. The slide has an internal nut screw that engages a worm that is mount... | 02/11/1997 |
| 5589135 | Height adjustable stand for laboratory equipment A height adjustable stand for laboratory equipment, in particular for rotary evaporators, possesses a holder arrangement (6). The holder arrangement is able to be displaced vertically on a stand post (5). By way of a motor driven lifting arrangement (9, 1... | 12/31/1996 |
| 5582461 | Infinitely adjustable linear actuator A infinitely adjustable linear actuator adjusts the position of two relatively movable components of a vehicle seat. The linear actuator includes a rotatable element fixedly mounted about a threaded shaft. First and second moving members are mounted withi... | 12/10/1996 |
| 5556165 | Infinitely adjustable linear actuator for vehicle seat A infinitely adjustable linear actuator adjusts the position of two relatively movable components of a vehicle seat. The linear actuator includes a rotatable element threadingly engaged about a threaded shaft. First and second moving members are mounted w... | 09/17/1996 |
| 5511900 | Reversible handedness screed control device An improved screed control device includes two pairs of interacting cylindrical surfaces for controlling the "angle of attack" or elevation of a screed of a paver, a first pair of the two pairs of interacting surfaces having either right-hand or left-hand... | 04/30/1996 |
| 5450988 | Powered caulking gun A cordless electric powered caulking gun for pressurizing a tube of highly viscous substance includes a ball drive rod having a helical thread and a keyway, an electric motor and gear reducer coupled to a spur gear keyed to the ball drive rod, a cylindric... | 09/19/1995 |
| 5247846 | Quick disconnectable screw device A quick-disconnectable device with a screw piece, a first threaded part and a second threaded part, the threaded of which fits with the first threaded part, wherein the screw piece has a straight guide for the first threaded part, and the screw piece has ... | 09/28/1993 |
| 5195390 | Precision linear mechanical drives A mechanical drive for transporting a load attached to a load carrier element displaceable along a rotary threaded shaft between unthreaded ends of the shaft features precision end-of-travel positioning of the load and is improved to eliminate vibration o... | 03/23/1993 |
| 5184537 | Clamp device drive apparatus A clamp device drive apparatus for driving a clamp device engaged with a T-shaped groove slidably between a clamping position and an unclamping position, comprises a push-pull chain connected to a clamp device, a vertical housing for containing the chain,... | 02/09/1993 |
| 5134731 | Adjustable bed having adjustable height legs with synchronization feature An adjustable bed comprises a head end, a foot end, and a planar mattress portion extending therebetween. The head end and foot end feature a drive screw and nut housing assembly. Each head end and foot end features tubes which are slidingly received with... | 08/04/1992 |
| 5101679 | Screw drive engagement/disengagement and decoupling mechanism A half-nut block containing a threaded bore and a larger, overlapping, unthreaded bore is engaged with a lead screw. The larger bore overlaps the threaded bore so that effectively a half-nut results. The half-nut comprises a face having an acute angle in ... | 04/07/1992 |
| 5046376 | Shaft locking or manual operating apparatus A manual operator which is useful when used with a valve or other type of device to provide either manual operation of the valve in one direction or to provide a stop against the movement of the valve away from one of its extreme positions. The device inc... | 09/10/1991 |
| 5032048 | Quick-fastening nut A quick-fastening nut for location on an associated bolt comprises a plurality of internally-threaded, arcuate segments each including a part frusto-conical portion, and guide means reacting between the segments whereby the segments can be moved radially ... | 07/16/1991 |
| 5027671 | Reinforced anti-backlash nut An anti-backlash nut has flexure members which are continuously biased inwardly against a lead screw by a force applying sleeve which acts on ramps on the flexure member. The spline means include means on the longitudinal flexure members and the force app... | 07/02/1991 |
| 4947938 | Hole cutter for golf course greens A machine for cutting holes in golf course greens having a threaded drive shaft, a motor to rotate the drive shaft, a sod cutter at the bottom of the drive shaft and adapted to rotate with the drive shaft, a clutch that can be engaged and disengaged with ... | 08/14/1990 |
| 4925169 | Clamp with fast-acting, one-hand adjustment The clamp includes a member having an anvil at one end and a threaded bore at another end with a longitudinal bore axis directed at the anvil. A rod having a threads and a longitudinal splines is threadingly disposed within the threaded bore. The rod has ... | 05/15/1990 |
| 4920816 | Actuator with a clutch mechanism There is disclosed an actuator with a clutch mechanism in which a shaft device for operating an external mechanism is formed with threads thereon so as to be engaged with or disengaged from threads at inner surfaces of a plurality of collet type chuck mem... | 05/01/1990 |
| 4887774 | Safety nut assembly for backstand apparatus A safety nut assembly is provided for mounting to the carriage of a backstand apparatus to which a large roll of paper is rotatably mounted. The backstand apparatus includes an inclined screw spindle to which the carriage is threadedly engaged, such that ... | 12/19/1989 |
