Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8113975 | Chain wheel and timing chain drive for the compensation of dynamic loads The invention relates to a chain wheel (2, 3), especially for a timing chain drive, with a rotary shaft, a sprocket wheel (7) positioned around the rotary shaft featuring multiple alternating teeth (17) and tooth gaps (16) distributed aro... | 02/14/2012 |
| 8038559 | Power transmission chain, method for manufacturing power transmission member of the power transmission chain, and power transmission device The end faces of a first pin contain bulging curved faces having an egg-like shape, when viewed along a chain width direction. Each bulging curved face includes a first end portion, a second end portion and a maximum width portion with respect to a chain advancing d... | 10/18/2011 |
| 8038558 | Chain drive or return arrangement and chain assembly and sprocket employed therein Chain return arrangement and sprocket and chain assembly employed therein with the bow flanks of the horizontal chain links (1) of the chain assembly (10) exhibiting a concave trough at least below an equatorial line (7) and the chain link pocke... | 10/18/2011 |
| 8021255 | Silent chain power transmission device The present invention is directed to decreasing noise from the onset of engagement with the sprocket teeth till seating thereon and also to reducing wear to the silent chain and the sprocket. A face (a) of a sprocket tooth, which contacts the chain at the onset of e... | 09/20/2011 |
| 7591746 | System and method of getting for a bicycle and other-pedal-driven vehicles mechanical energy output exceeded muscular energy input due to the gravitational lever. A transmission that is rotatable and connectable to the gravity mass increases the speed of rotation. ... | 09/22/2009 |
| 7442139 | Conveyance system In a slat conveyor, slats for supporting conveyed articles and personnel extend between two side-by-side, spaced, endless roller chains engaged with driving sprockets at one end of the conveying path and driven sprockets at the other end. At a location radially outw... | 10/28/2008 |
| 7344462 | Torque transfer device A torque transfer device allows torque to be input at one point of the device and transferred to another point of the device, at which the power or torque is taken from the device. The device incorporates a continuous direct drive comprised of a plurality of alterna... | 03/18/2008 |
| 7244206 | Roller chain transmission device In a roller chain transmission, the diameter D of the rollers, the outer diameter d of the pins and height H of the inner plates satisfy the relationships 0.72P≦D≦0.79P, 0.40P≦d≦0.44P, and 0.96P≦H, with respect to the chain pitch P. The sprocket teeth are ... | 07/17/2007 |
| 7204775 | Plate-link chain for a continuously variable transmission A plate-link chain formed from short plate links and long plate links. The long plate links have an extension at one end. The installation direction of the long plate links is such that their extensions overlap plate links in an adjacent row and that are next in ord... | 04/17/2007 |
| 7147099 | Sprockets in a cleanable modular belt conveyor An easy-to-clean conveyor with sprockets that reveal the hinge area of a modular conveyor belt to a fluid spray. A conveyor includes a modular belt constructed of rows of belt modules hingedly linked together in series by hinge pins into an endless belt loop. A spro... | 12/12/2006 |
| 7107754 | Chain in particular a hoist chain According to the invention, the resistance of the links of a D-profile chain may be increased, whereby the transitions between the flanks (2, 3) and the outer planar bearing surfaces of the links comprise roundings of radius r, which is 0.2 to 0.4 times the v... | 09/19/2006 |
| 7077774 | Roller chain transmission device In a roller chain transmission, the diameter D of the rollers, the outer diameter d of the pins, and the height H of the inner plates satisfy the relationships 0.72P≦D≦0.79P, 0.40P≦d≦0.44P, and 0.96P≦H, with respect to the chain pitch P. The radius r of th... | 07/18/2006 |
| 7048666 | Silent chain power transmitting apparatus A silent chain power transmitting apparatus has an endless link chain having a plurality of link plates (11A,11B,11C, . . . ) connected together, and sprocket wheels (20). Each of an inside flank (13) and an outside flank (14 | 05/23/2006 |
| 6976742 | Drive sprocket for a tracked vehicle A snowmobile is propelled by an endless track that is operatively connected to the snowmobile's engine by two drive sprockets. Each drive sprocket includes one set of external teeth and two sets of internal teeth that engage three corresponding sets of track teeth f... | 12/20/2005 |
| 6958026 | Sprocket tooth profile An improved tooth profile for a roller chain sprocket enables noise reduction from impact and polygonal action during the meshing process. The profile of the engaging flank consists of three portions which are the seating, impact and distal portions all three of whi... | 10/25/2005 |
| 6952916 | Multi-link connector A multi-link connector which is particularly suitable for use with a window operator. The multi-link connector includes a plurality of links (12) joined together by a joining arrangement (11). The links (12) include a base (13) and a pair... | 10/11/2005 |
| 6925794 | Chain, chain wheel and chain transmission for lifting gear A chain, a chain wheel and a chain transmission for a lifting gear in accordance with the present invention increases the dynamic resistance of a round steel chain that is primarily intended for use in combination with a lifting gear. The chain members (5, 6)... | 08/09/2005 |
| 6908407 | Silent chain transmission mechanism A silent chain transmission mechanism includes a sprocket and a silent chain having link interleaved link rows each composed of plural randomly selected link plates and connected together by connecting pins. The outside dimensions of the link plate are smaller than ... | 06/21/2005 |
| 6726293 | Tracked mobile machine with star carrier roller and method of assembly Star carrier roller assemblies have been used in certain tracked mobile machines, such as those used in the timber industry, that must operate in cold weather and/or over rough terrain. Due to interaction of the star carrier roller assembly with a track chain assemb... | 04/27/2004 |
| 6364798 | Sprocket for roller chain drives A roller chain and sprocket drive includes a roller chain having multiple rollers and articulated links, the rollers being arranged with a substantially constant pitch and connected by the articulated links, and a sprocket in driving or driven engagement ... | 04/02/2002 |
| 6322472 | Positioning device A positioning device comprising a first flexible member and a second flexible member which can be engaged to form a rigid member, wherein said first flexible member comprises a chain provided with a plurality of compression members, and said second flexib... | 11/27/2001 |
| 6244983 | Silent chain with inner flank engagement links and sprocket having teeth with matching surfaces A silent chain and sprocket combination includes a silent chain having a plurality of interleaved links, each link having a pair of teeth, with each tooth having an inner flank and an outer flank. The links of the chain engage the sprocket teeth on their ... | 06/12/2001 |
| 6199830 | Chain elevator The invention relates to a chain elevator comprising an elevating chain (1) made up of links (2) attached to each other, whereby the planes formed by adjacent links are primarily at a 90° angle in relation to each other; an elevating element (3) having a... | 03/13/2001 |
| 6093124 | Lockable chain winder A lockable chain winder for opening and closing windows has an internal mechanism which includes a stop member (16) which can be moved to engage with the chain winder sprocket (15) in such a manner that the sprocket (15) can freely rotate on one direction... | 07/25/2000 |
| 6036614 | Sprocket tooth with complex profile joining proximal and distal tooth portions In a roller chain sprocket for a chain drive, the profile of each tooth comprises a proximal portion (AB), an intermediate portion (BC) and optionally a distal portion (CD). The proximal portion (AB) is shaped like an arc of a circle with a radius (r) at ... | 03/14/2000 |
| 5947265 | Chain drum arrangement for scraper chain conveyors This invention relates to a chain drum arrangement for a central or double central scraper chain conveyor, comprising a divided chain wheel, the shell-type chain wheel segments of which are attached, locked in rotation and detachably, via an axial splined... | 09/07/1999 |
| 5935033 | Multi-stage sprocket assembly for bicycle An improvement of multi-stage sprocket assembly for bicycle includes at least a small sprocket and a large sprocket. The large sprocket includes at least two different sets of teeth. The large sprocket defines a radial second center line across the thickn... | 08/10/1999 |
| 5876296 | Gear shifting sprocket set for bicycle chain wheel A bicycle sprocket set is composed of a small sprocket and a large sprocket coaxial with the small sprocket. The large sprocket is provided with an axially oriented recess in the bottom portion located between the first tooth and the second tooth of the l... | 03/02/1999 |
| 5803851 | Chain drive with sectional steel chain A chain drive (1), in particular for lifting devices, having a chain (3) which rotates about a chain wheel (2) and whose oval links (6) which are rotated in an alternate manner about 90° interact as vertical and horizontal links with the chain wheel, whe... | 09/08/1998 |
| 5551137 | Method for assembling waste materials filtering apparatus A method for assembling an apparatus that removes solid waste material from a stream of water. The apparatus sits in a channel within which the water containing waste material flows. A plurality of vertically oriented, laterally spaced apart, rotating scr... | 09/03/1996 |
| 5456638 | Composite gear with restraining member A composite gear member and gear set using the composite gear member is provided. The composite gear member is formed of a generally circular disk having a pair of link plate supporting surfaces separated by a central section. A roller chain which include... | 10/10/1995 |
| 5449063 | Modified drive system for endless belt conveyors with rollers having driving, supporting and aligning features In one embodiment, the invention comprises at least one and preferably a plurality, of rollers provided with recesses which are mounted on the drive and trailing assemblies of a conveyor system. The recesses of each roller include abutment surfaces angula... | 09/12/1995 |
| 5282532 | Modified drive system for endless belt conveyors with rollers having driving, supporting and aligning features In one embodiment, the invention comprises at least one, and preferably a plurality, of rollers provided with recesses in their peripheral surfaces and mounted on the drive and trailing assemblies of a conveyor system. At least one side wall of each reces... | 02/01/1994 |
| 5162022 | Multiple sprocket assembly for bicycle A bicycle multiple sprocket assembly comprises at least two adjacent sprockets which include a larger sprocket and a smaller sprocket. A chain takes a shifting path extending from a selected furrow of the smaller sprocket toward a selected furrow of the l... | 11/10/1992 |
| 5160020 | Drive system for endless belt conveyors with rollers having driving, supporting and aligning features In one embodiment, the invention comprises at least one roller with a plurality of recesses in its peripheral surface, mounted on the drive and trailing assemblies of a conveyor system. The recesses of each roller are angularly disposed relative to the ce... | 11/03/1992 |
| 5156574 | Power-assisted chain drive actuator for opening and closing gating fixtures In a power-assisted chain drive actuator for opening and closing gating fixtures, a drive chain has successive links formed of pairs of plates being parallel and swivel connected to each other by crosswise studs having an increased middle diameter holding... | 10/20/1992 |
| 5139464 | Telescoping mast assembly A rigid drive assembly for a telescoping mast is comprised of a pair of flexible link chains disposed at right angles to one another with respect to the pivot axes of the chain links and provided with interengaging latching elements which rigidly intercon... | 08/18/1992 |
| 5127884 | Chain and sprocket combination A chain 32 and sprocket 10 combination which reduces chordal action and wear allowing for higher output and greater durability of the devices that use chains and sprockets. The chain 32 has hinged joints equipped with a torsional spring 42 that resist hin... | 07/07/1992 |
| 5102375 | Telescoping mast assembly A telescoping mast assembly includes a plurality of interconnected mast sections nested within each other for movement between a fully retracted height and a fully extended height. A novel, rigid drive assembly, disposed within the interconnected mast sec... | 04/07/1992 |
| 4993996 | Chain magazine for shop machines A chain magazine for shop machines, especially for apparatus for handling workpieces, including at least one endless rotating chain, preferably a roller chain, that is guided over sprocket wheels. Holders, for accommodating tools, workpieces, or the like,... | 02/19/1991 |
