Class 74/406 - Displaceable elements

Subclass of Class 74 - Machine element or mechanism
Definition: Gearing in which one of the elements moves linearly or angularly
No. of patents: 35
Last issue date: 09/01/2009

Number	Title	Issue Date
7581463	Gear modification that enables direct off-center engagement A gear and a method for combining a first gear with a second gear including the steps of moving the first gear relative to the second gear such that a first tooth of the first gear contacts a second tooth of the second gear, pressing the first tooth of the first gea...	09/01/2009
7226540	MEMS filter module Various MEMS filter elements or modules are disclosed. One such MEMS filter module (34) includes a first film (70) and a second film (46) that are spaced and interconnected by a plurality of supports (78). A plurality of first flow ports ...	06/05/2007
7168336	Transmission mechanism in slot-in drive A transmission mechanism in a slot-in drive comprises a chassis respectively connected to a motor, worm, worm gear and a plurality of spur gears, a rubber roller, transmission sheet and control sheet, in which one of the spur gears and the rubber roller are connecte...	01/30/2007
7137590	Lubricating installation for rocking power transmission box An installation includes at least a pressurized lubricating circuit for elements housed in the rocking crankcase, each circuit including a radial transfer bearing between two opposite cylindrical journals coaxial about the rocking axis, one fixed journal on a fixed ...	11/21/2006
7010995	Bevel gear with annular housing The invention relates to an angle drive having a drive housing (51) with a first axis (A1) for bearing means and with a second axis (A2) for bearing means, which latter axis (A2) is aligned radially relative to the first axis ...	03/14/2006
6997079	Gear mechanism with an idler gear, a gear mechanism with a device for eliminating backlash between gears, and a motor driving mechanism A gear mechanism includes a driving gear, a driven gear, and an idler gear which is in mesh with the driving gear and the driven gear, wherein rotation of the driving gear is transferred to the driven gear via the idler gear. The idler gear includes first and second...	02/14/2006
6978959	Magnetic recording/reproducing apparatus and electric apparatus A magnetic recording/reproducing apparatus or an electric apparatus includes a reel gear, an intermediate gear, a swing arm, an idler gear and an input gear. The swing arm, idler gear and input gear constitute an idler mechanism. The intermediate gear is arranged ap...	12/27/2005
6971276	Recovery of purified volatile metal such as lithium from mixed metal vapors The present invention is concerned with a method for extracting selectively a metal from a metal mixture in the gaseous phase. The method comprises heating the metal mixture to vaporize the metal; condensing the metal contaminants present in the vapor; reacting any ...	12/06/2005
6964252	Valve lifter for internal combustion engine A valve lifter is disclosed comprising a lifter housing having a receiver, a switch retainer having at least one bore, and a key disposed in the at least one bore. The key is movable into the receiver to lock the switch retainer against movement relative to the lift...	11/15/2005
6960849	Three-dimensional microelectromechanical tilting platform operated by gear-driven racks A microelectromechanical (MEM) tiltable-platform apparatus is disclosed which utilizes a light-reflective platform (i.e. a micromirror) which is supported above a substrate by flexures which can be bent upwards to tilt the platform in any direction over an angle of ...	11/01/2005
6944365	Off axis optical signal redirection architectures The present invention is directed to off axis optical signal redirection architectures that employ positionable reflective microstructures (e.g. microelectromechanical (MEM) mirrors) fabricated on one or more substrates. In one embodiment, an optical signal redirect...	09/13/2005
6937131	Self-shadowing MEM structures Self-shadowed microelectromechanical structures such as self-shadowed bond pads, fuses and compliant members and a method of fabricating self-shadowing microelectromechanical structures that anticipate and accommodate blanket metalization process steps are disclosed...	08/30/2005
6666102	Flexible bearing arrangement for double helical pinion The present invention relates to a flexible bearing assembly for use in a transmission system. The flexible bearing assembly has a gear mounted to a first shaft, first and second pinions connected to a second shaft, and a flexible coupling element connect...	12/23/2003
6615683	Gear drive A gear drive, including a first shaft, a first gear wheel on the first shaft, a second shaft a certain distance away from the first shaft, and a second gear on the second shaft. The second gear wheel engaged with the first gear wheel by way of helical gea...	09/09/2003
6551009	Spline connection for limited access space and method of assembly and disassembly A spline connection is provided between a first part and a second part wherein a first set of internal splines is formed on an inner cylindrical surface of the first part and a second set of internal splines is formed on an inner cylindrical surface of th...	04/22/2003
6082208	Method for fabricating five-level microelectromechanical structures and microelectromechanical transmission formed A process for forming complex microelectromechanical (MEM) devices having five layers or levels of polysilicon, including four structural polysilicon layers wherein mechanical elements can be formed, and an underlying polysilicon layer forming a voltage r...	07/04/2000
6070482	Gear module There is disclosed a gear module comprising an output gear pivotally fitted to a base, a transmission gear rotated by a driving force from a driving motor to transmit the driving force to the output gear, a power actuating lever having a base end pivotall...	06/06/2000
5931263	Quasi-elliptical bidirectional progressive safety An elevator safety based on having the elevator lift-rod, under the influence of the elevator governor, cause to rotate approximately elliptical cams, called quasi-elliptical cams. The cams are wider in one orientation, just as an ellipse has a major axis...	08/03/1999
5740696	Transmission unit for office machine A transmission unit mounted on the machine base of an office automation machine and covered with a cover and controlled to turn a first roller and a second roller, including a gear transmission mechanism, a first roller transmission mechanism driven and a...	04/21/1998
5239880	Load sharing right angle bevel gear drive A load sharing right angle bevel gear drive comprises a housing having a power bevel gear that meshes with two bevel gears that are mounted in the housing for rotation about a second axis that is perpendicular to the axis of rotation of the power bevel ge...	08/31/1993
5112284	Rocker-mounting for differential gear The disclosure concerns an improvement for an automotive differential having helical-worm side gears operatively connected through one or more pairs of combination gears, each combination gear having a worm-wheel portion which meshes with one or the other...	05/12/1992
4836345	Clutch system for gear drive A clutch system for a gear drive particularly suitable for gear drives of vertical blinds having a movable gear which upon jamming of another gear moves radially to disengage the gears....	06/06/1989
4744262	Arrangement for providing engagement without backlash between a gear pinion and a gear wheel cooperating therewith A cylindrical gear unit which includes a gear housing, a gear pinion and a gear wheel, the gear pinion being fixed to a shaft which is rotatably journalled in bearings supported by at least one bearing support. One of the bearing supports comprises a slee...	05/17/1988
4699016	Translatable drive apparatus A drive apparatus having a drive shaft, at least one driven element fixedly secured to the drive shaft for rotation therewith, and at least one driven shaft operatively connected to the drive shaft. The driven shaft is oriented perpendicular to the drive ...	10/13/1987
4586393	Minimum fit worm and gear drive A structure providing minimum fit mounting and rigid locking of a worm and gear drive includes a gear rotatably supported to a base, a worm drivably engaging the gear and bearings supporting the worm for rotation about its axis. A housing supports the wor...	05/06/1986
4580460	Bevel gear backlash adjusting mechanism A bevel gear backlash adjusting mechanism is disclosed in which a bevel gear is carried by a bearing and is rotatably carried by a stationary shaft so as to be axially shiftable therewith. The stationary shaft includes a supporting portion carried by the ...	04/08/1986
4570504	Automatically disengageable gearing Gearing mechanism providing for the automatic engagement and disengagement in a radial direction between successive gears in a gear train. A first gear, shown in the form of a rack gear, has a plurality of teeth traveling in a fixed path in space. Selecti...	02/18/1986
4538789	Automatic and manual actuator Apparatus usable in controlling, both automatically and manually, a valve stopper movable between first and second positions to control fluid flow through the valve, comprises (a) a power source, (b) a drive coupling the power source to the stopper to move the...	09/03/1985
4533114	Fail-safe actuator for rotary valves An actuator for a rotary valve includes a fail-safe mechanism for automatically opening or closing the valve upon the occurrence of a predetermined condition. The actuator also includes a mechanism for permitting the manual operation of the valve from the...	08/06/1985
4478313	Spring powered prime mover An improved spring-wound prime mover provides a housing cavity that can automatically fix one end of a spring upon insertion. The gear train includes individual gears that automatically provide a first gear ratio for storing energy and a second gear ratio...	10/23/1984
4437355	Bevel gear power transmitting gear trains Power transmitting gear trains comprising four bevel gears (2, 3, 5, 6) mounted between a vertical floating driving shaft (1) and a horizontal propeller shaft (4). The driving shaft integral with gear 2 is pivotably mounted about its axis X, but without a...	03/20/1984
4414859	Bevel gear differential drives and methods for adjusting their tooth engagement A method and apparatus for adjusting tooth flank play between two sun gears and at least two planetary gears of a bevel gear differential drive is provided in which, after establishing the operating positions of both sun gears on their sun gear shaft, eac...	11/15/1983
4313349	Sealed electrical control device for x-ray apparatus A control device has a fixedly mountable frame which has recesses and a fixed shaft extending across the recesses. Flat sided spherical elements having manual levers extending from them are rotatable on the shaft and each element has a sector gear fastene...	02/02/1982
4311063	Bearing and bearing mount and tools incorporating same A bearing and bearing mount comprising an adjustable combined sleeve and thrust bearing which may be adjusted during assembly for endwise positioning which is of generally top-hat configuration having a generally cylindrical sleeve bearing portion and a g...	01/19/1982
4278149	Translationally movable idler gear as clutch for spring driven motor In a spring driven motor having a drive gear (22) driven by a spiral drive spring (20) operatively connected thereto and a gear train for receiving and changing the rate of rotary motion imparted to the drive gear (22) by the drive spring (20), an improve...	07/14/1981

PatentStorm

Bizarre Patents

PatentStorm News

Class 74/406 - Displaceable elements