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Class 74/392 - Parallel shafts, adjustable gear mesh


Subclass of Class 74 - Machine element or mechanism
Definition: Gearing in which the gears are carried by parallel shafts
No. of patents: 19
Last issue date: 07/05/2011


NumberTitleIssue Date
7971499Adjustable gear position arrangement for synchronization of multiple generators
A method for synchronizing multiple generators includes positioning a pilot feature of a shaft of a first generator positioned at a first angular position that is substantially aligned with a first predetermined reference point located at a predetermined angular pos...
07/05/2011
7275872Adjustable bearing
A bearing that can be reoriented to move its center is disclosed. The center of the bearing is offset from the center of its outer housing. Should the shaft extending through the bearing need to be raised or lowered the outer housing is simply rotated in its recepta...
10/02/2007
6612195Split-torque face gear transmission
A face gear transmission system divides the input torque into multiple kinematic paths. The first kinematic scheme consists of a drive shaft and driven shaft having a plurality of pinions which contact a primary face gear. The second kinematic scheme cons...
09/02/2003
6523429Multi speed power take off
A power take off drive train for an agricultural tractor includes at least one input shaft and an output shaft that are rotatably mounted in a transmission casing, wherein the gear train provides for the output shaft to be rotated at one of three selected...
02/25/2003
6122985Torque-dividing transmission, particularly for aircraft
A torque-dividing transmission, particularly for aircraft, having a single nput pinion and a single output gear, both rotating about respective fixed axes; at least two gear assemblies, both interposed between the pinion and the output gear, and each for t...
09/26/2000
5813292Method for fabricating a split path transmission system providing equal torque splitting between the split load paths of each gear train thereof at a predefined operating point
A method for fabricating a split path transmission system that achieves equal torque splitting between the forward and aft split load paths of each gear train thereof at a predefined operating point by providing an intentional timing difference between ge...
09/29/1998
5251505Speed reducer with gears having parallel axes
The speed reducer comprises a first shaft which is supported so as to be able to slide axially, is suitable for being rotatingly actuated and a pinion whose set of teeth are slightly beveled is located thereon. A second shaft is supported so as to be able...
10/12/1993
5067363Clearance-free spindle drive
In order to improve a spindle drive for machine tools, comprising a housing, a spindle mounted in the housing, a drive motor arranged on the housing and a gear arranged in the housing and comprising an intermediate shaft driven by the drive motor and moun...
11/26/1991
4944195Controlling transmission
A controlling transmission comprising a planetary gear mechanism in which at least one pair of intermediate gears are interposed to mesh with a sun gear and an internal gear and in which intermediate shafts respectively supporting the intermediate gears a...
07/31/1990
4916962Reclining angle adjustment device
A reclining angle adjustment device for a seat includes a shaft having a concentric portion and an eccentric portion and rotatable for adjusting the reclining angle of the seat, the eccentric portion comprising an axially movable tapered ring, a gear trai...
04/17/1990
4806069Robot wrist
The bending and turning movements of the wrist are brought about by drive motors via at least one gear train, in which a cylindrical gear pinion drives a cylindrical gear wheel via an intermediate wheel. For adjusting the backlash, the intermediate wheel ...
02/21/1989
4802450Balancer for internal combustion engine
A balancing arrangement is provided for balancing the secondary out of balance forces of four cylinder in line engines. A gearwheel carried on the crankshaft transmits drive to a further gearwheel and each of the gearwheels is arranged to drive a balancin...
02/07/1989
4793200Reverse idler gear noise-reduction arrangement
A reverse idler gear shaft noise dampening arrangement for an automotive manual transmission. The reverse gear idler shaft has its free end resiliently centered in axially spaced aligned transmission housing bores by a pair of elastomeric O-rings. The bor...
12/27/1988
4759229Controlling transmission
Herein disclosed is a controlling transmission to be used with an industrial robot or the like, which is constructed of a planetary or star gear mechanism having at least one pair of intermediate gears arranged between a sun gear and an internal gear. The...
07/26/1988
4642021Manipulation arm mechanism for an industrial robot
A manipulation arm mechanism for an industrial robot is provided with a pivotable arm in which a first shaft driven by a drive motor is carried for rotation about an axis extending in a longitudinal direction of the arm. The first shaft has secured to its...
02/10/1987
4605298Electrographic transfer roller drive mechanism
Drive mechanism for an electrographic transfer roller apparatus wherein potential degradation of a transferred image is substantially prevented by eliminating relative movement between a receiver member supported by such apparatus and a transferable image...
08/12/1986
4458546Gear mechanism
A load-splitting transmission has its drive shaft journaled with respect to the housing in an axial bearing and supported only by a radial bearing forming part of the clutch connecting said drive shaft to the output shaft of an engine so that the axis of ...
07/10/1984
4372176Tapered tooth helical gear drive train for eliminating the need for end thrust bearings
A method and apparatus for eliminating axial thrust and consequently the need for thrust bearings in parallel shaft and crossed-axis helical drive arrangements is disclosed. According to this invention, a gear with helically cut teeth which maintain a con...
02/08/1983
4196046Adjuster for corrugating rolls
Apparatus is described for adjusting backlash clearances between the flutes of two meshing corrugating rolls, while the rolls are rotating, permitting minimization of noise levels. The corrugating rolls are driven through a pair of meshing helical gears, ...
04/01/1980
 
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