Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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 |
| 8122782 | Pinion shaft and bearing assembly A pinion shaft and bearing assembly is provided having two different surface finish interfaces. A first surface finish functions to locate the bearing to the pinion. A second surface finish functions to improve the cure time of an adhesive used to retain the bearing... | 02/28/2012 |
| 8028598 | Injection-molded gear A high-strength, high-precision injection-molded gear in which resin flow regulating projections that partially thicken a web are formed in a position on a side surface side of the web between pin point gates and a teeth section such as to project from the side surf... | 10/04/2011 |
| 7832301 | Rotation mechanism for construction machine and method of measuring backlash in the mechanism A swing mechanism for a construction machine is provided with a center frame 3 having a pinion insertion hole 3c, an inner race having an internal gear and mounted on a side of an undercarriage, an outer race 1b rotatably arranged ... | 11/16/2010 |
| 7424834 | Gear, method and device for manufacturing the same A gear, a method and a device having a transmission gear part and a hub synchro having a spline teeth formed on an outer peripheral surface thereof and plurality of key holes formed in the opposite side of the transmission gear part, in which the hub synchro is coax... | 09/16/2008 |
| 7406891 | Injection molded resin gear and injection molded resin rotating body An injection molded resin gear 1, which is molded by injecting a resin material from a plurality of pinpoint gates 13 into a cavity 2 of a die, includes a rim 7 having teeth 8 on its outer periphery, a shaft supporting portion 5... | 08/05/2008 |
| 7334495 | Resin gear and rotational power transmission member of resin There is provided a resin gear 1 capable of improving the strength of a key receiving portion, which is engageable with a key of a driving shaft, to prevent the key receiving portion from being broken by external force applied during rotation. In the resin ge... | 02/26/2008 |
| 7243770 | Clutch assembly including strengthening members A clutch housing assembly for use in vehicle drivelines includes at least one strengthening member at an open end of the housing. The strengthening member preferably is formed by cutting away portions of the housing near the open end and then deforming the remaining... | 07/17/2007 |
| 7237968 | Thermally transcribing printer and image forming apparatus In a thermally transcribing printer including a frame, a roller shaft, a roller shaft drive gear and a motor, the roller shaft includes one end installed on an inner side of the frame and folded to bend in an L-like shape and other end fitted to a drawout preventing... | 07/03/2007 |
| 7232124 | Sheet separator A sheet separator includes an advancing roller driven to rotate to move a sheet forwards along a sheet path, and a reversing roller driven to rotate to move a sheet backwards along the path. The reversing roller and advancing roller are mounted adjacently and are re... | 06/19/2007 |
| 7188543 | Gear and bearing mechanism for improved ease of assembly within a gearcase A retaining member is provided and attached to a bevel gear in order to allow the bevel gear to be attached, prior to assembly, to a bearing adapter. The retaining member is provided with first and second protuberances that extend radially outwardly from diametrical... | 03/13/2007 |
| 7107871 | Axially securing gearwheels in crown gear angle drives on one side A crown gear assembly including a crown gear which is rotatably supported around a first axis (A1) and which forms teeth (13) which are provided with flanks (14, 15) whose mantle lines extend substantially radially relative to the axis (A1 | 09/19/2006 |
| 7096754 | Nested sector gears A sector gear is formed as one of a pair of mirror image gears (12, 14). Each of the sector gears has an arcuate portion (16) having a series of teeth (18) on an outer periphery thereof, and a V-shaped base portion (20) having a first leg... | 08/29/2006 |
| 7077562 | Watch hairspring and method for making same The invention relates mainly to a hairspring intended to equip the balance wheel of a mechanical timepiece. It is in the form of a spiraled rod (10) cut from an {001} single-crystal silicon plate. Its structure and its dimensions are calculated so as to minim... | 07/18/2006 |
| 7021171 | Annulus gear and drive shell A method of producing a torque transmission between a driving member and a driven member including the steps of capturing an annular gear within the interior of a hollow cylindrical shell formed of a formable material which is caused to be flow formed around a porti... | 04/04/2006 |
| 6948397 | Replacement oil pump gear for motorcycle engine and method of replacing oil pump gear When a plastic oil pump gear in a motorcycle engine needs to be replaced, first, the gear is removed from its shaft. A keeper is inserted into the slots in the shaft that originally held the plastic gear. A steel gear is screwed onto the keeper so as to be mounted o... | 09/27/2005 |
| 6905011 | Transmission gear with dog clutch gear and method for manufacturing the same A transmission gear with a dog clutch gear in which the dog clutch gear has clutch teeth formed on an outer circumferential surface of a ring part and tapered inversely so that the tooth thickness of each tooth decreases gradually from a chamfer portion at a tip end... | 06/14/2005 |
| 6813971 | Molded gear An injection-molded plastic gear 1 as a molded gear includes a plurality of teeth 12 formed around an outer periphery of a rim, and a plurality of blades 8 formed at distances circumferentially on an inner peripheral surface of the rim 11 | 11/09/2004 |
| 6792823 | Gear drive mechanism for office products A gear drive mechanism for downsizing office products, which can be easily disassembled, by thinning the gear drive mechanism. The gear drive mechanism drives a plurality of shafts cantilevered from a base plate attached within a label writer, wherein gears are fit ... | 09/21/2004 |
| 6715377 | Drive system A drive system comprises a movement mechanism comprising a spherical holder (1) and a spherical bowl which, one inserted into the other, are rotatable relative to each other about an X-axis and a Y-axis, which axes lie in a plane substantially coinciding with... | 04/06/2004 |
| 6694850 | Cutter for cross cutting of reeled webs Cutter for cross cutting of reeled webs comprising a rotary cutting assembly including a blade and a counter blade rotated in synchronism with an advancement assembly of the web. The rotation axes of the blade and of the counter blade are displaceable rel... | 02/24/2004 |
| 6637290 | Housing oscillating type cam apparatus, and work shifter using such apparatus A housing (21) which comprises an input shaft (22) and a second output shaft rotatably supported in a housing (21), and a first output shaft (23) rotatably supported to be movable in the axial direction as well as the rotational direction, a first cam mec... | 10/28/2003 |
| 6478016 | Gear driven supercharger having noise reducing impeller shaft A centrifugal supercharger includes a gear-type transmission for drivingly connecting the impeller to the engine. The transmission includes an impeller shaft supporting the impeller and being fixed relative to one of the gears of the transmission. The pre... | 11/12/2002 |
| 6334369 | Toothed wheel unit with external toothing The invention relates to a toothed wheel unit (12) with external toothing, preferably for heavy machinery gears and/or rapidly moving gears like turbomachinery gears, comprising a toothing carrier (22) with an external toothing (20a,20b) provided on a cir... | 01/01/2002 |
| 6260682 | Power take-off unit having two-piece output gear assembly A power take-off unit includes a rigid housing having an input gear rotatably supported therein. An output gear assembly is rotatably supported within the housing. The output gear assembly includes a toothed gear member and a bell member that are splined ... | 07/17/2001 |
| 6181899 | Vibration reducing plastic gear A plastic gear includes a hub disposed at a core portion, a gear ring disposed concentrically outside of the hub and having a plurality of teeth on an outer surface thereof, and a web that connects the hub and the gear ring. A plurality of ribs is formed ... | 01/30/2001 |
| 6105451 | Device for attaching a rotatably mounted hollow cyclinder at its outer circumference A hollow cylinder is fastened at its outer circumference when the cylindrical interior jacket is to be utilized for a treatment process. To produce this fastening, provision is made according to the invention for surrounding the end of the hollow cylinder... | 08/22/2000 |
| 6058591 | Clutch drum and method of manufacture A clutch drum is formed from a single piece of material. The clutch drum includes an inner surface having a plurality of spline portions interspersed with inner wall spaces. Each spline portion includes at least one slot to form at least one snap ring gro... | 05/09/2000 |
| 6025062 | Cogged component for the mechanical transmission of force A cogged component, especially a wheel, rack, pinion, spline, or similar structure, intended for the mechanical transmission of force. The body is of a composite reinforced with carbon fibers. The body is, in accordance with the invention, of fiber-reinfo... | 02/15/2000 |
| 5890395 | Substrate for an electrophotographic photoconductor A cylindrical tubular substrate for an electrophotographic photoconductor is made of a conductive resin. The substrate is smoothly rotatable about its axis of rotation, securely grounded, and easily and inexpensively manufactured. It has a cylindrical tub... | 04/06/1999 |
| 5085088 | Drive train energy A drive train energy system is provided for a motor vehicle of the type having a drive shaft which rotates a drive shaft pinion that is transversely engaged with a differential crown wheel which operates a rear axle and a pair of wheels. The drive train e... | 02/04/1992 |
| 5046377 | Vehicle door latch and like actuators Power actuator unit for servo-drive of motor vehicle body closures e.g. centrally controlled door latches and locks, window winders etc and including a power transmitting drive train wherein the latter includes a female bearing surface, e.g. the bore (34)... | 09/10/1991 |
| 4945782 | Mounting device for securing a ring gear to a drive drum The present invention is utilized for demountable securing a power take-off ring gear to the clutch drum on the clutch housing of a vehicular transmission. Specifically, a mounting sleeve releasably secures the power take-off ring to the clutch drum. The ... | 08/07/1990 |
| 4856166 | Method for manufacturing a gear fit article and gear fit article produced thereby A method for manufacturing a novel gear fit article that includes metal plating the surface of an annular steel work is disclosed. The plating is made of copper to prevent nitriding of the underlying steel. The plated steel work is gear cut to form intern... | 08/15/1989 |
| 4825729 | Torque transfer gear system A torque transfer gear system comprises a plurality of first and second torque disks. The first torque disks each comprise a disk having first and second parallel surfaces and a plurality of gear teeth extending equiangularly thereabout but not extending ... | 05/02/1989 |
| 4738151 | Pinion coupling A drive connection between a drive pinion and a motor shaft. The motor shaft has a longitudinal axial bore into which is force-fitted a pinion shaft which is preferably integral with the pinion. The pinion shaft is shorter in length than the length of the... | 04/19/1988 |
| 4686864 | Flywheel starter gear and method of making A flywheel starter gear construction which includes a strip of gear stock surrounding a flywheel disc and friction welded to the disc in an annular weld area, the gear teeth on the gear stock being formed by moving the assembly through a pot broach, and t... | 08/18/1987 |
| 4677870 | Forged spur gear with web connected teeth A forged metal spur gear is configured with one lateral face extremity portion extended to the addendum circle of the gear teeth for proving increased load carrying capacity to a gear of a given size.... | 07/07/1987 |
| 4644813 | Drive means for roller door An improved roller door drive assembly comprising a drum, upon which a curtain is rolled, and a gear coaxially mounted to and engaged with the drum. The means of engagement consists of a plurality of forks projecting from the gear adapted to engage drum s... | 02/24/1987 |
| 4620351 | Unlimited sliding ball spline assembly An unlimited sliding ball spline comprising a spline bearing consisting of an outer cylinder, a ball retainer provided on the inner side of the outer cylinder, and a plurality of balls held by the ball retainer in a plurality of unlimited passages formed ... | 11/04/1986 |
| 4517857 | Gear interference preventing mechanism in multi-spindle head attachment A multi-spindle head attachment in which a positively rotated main spindle gear is meshed with a plurality of intermediate gears which are, in turn, meshed with spindle gears fitted respectively onto spindles each adapted to grip a drill, a tap or the lik... | 05/21/1985 |
