Patents for B62J 13 - Guards for chain, chain drive, or equivalent drive, e.g. belt drive (502)
10/1997
10/14/1997US5676616 Protective cover for a bicycle derailleur
10/01/1997CN1160658A Protective cover of variable-speed drive device for bicycle
09/1997
09/10/1997EP0794112A2 Protective cover for a bicycle derailleur
08/1997
08/13/1997CN1156674A Rolling riveting combined technique for motorcycle chaincase and its special equipment
08/1996
08/22/1996WO1996025319A1 Frame support member for bicycles
05/1996
05/28/1996US5520584 Bicycle chain cover
03/1996
03/13/1996CN2222112Y Bicycle chain-wheel protective plate
02/1996
02/21/1996CN2220414Y Tooth bowl structure of bicycle chain plate
02/20/1996US5492392 Derailleur guard
01/1996
01/17/1996CN2217555Y Chain guard for speed-changeable bicycle
12/1995
12/27/1995CN2216027Y Float supported chain cover
10/1995
10/24/1995US5460576 Bicycle chain guide
09/1995
09/13/1995CN2207327Y Speed variable bicycle chain guard with side warning light
09/06/1995CN2206746Y Chain wheel guard of bicycle
08/1995
08/29/1995US5445568 Chain guide structure
08/09/1995CN2204756Y Bicycle chain guard
07/1995
07/12/1995CN2203257Y Chain wheel protector for multi-speed bicycle
05/1995
05/17/1995CN2197287Y Chain guard for multi-speed bicycle
05/10/1995CN2196582Y Universal chain guard for speed-changeable bicycle
05/03/1995CN2196072Y Dismountable chain hood for bicycle with variable speed gear
04/1995
04/26/1995CN2195494Y Guard for chain of variable speed bicycle
04/05/1995CN2193853Y Chain guard of variable-speed cycle
03/1995
03/29/1995CN2193305Y Separating chain guard for variable speed bicycle
03/15/1995CN2191810Y Chain guard for variable-speed bicycle
03/14/1995US5397275 Bicycle sprocket chain damper
03/02/1995DE4430375A1 Chain guide
03/01/1995CN2190599Y Split oil guard of speed changing bicycle chain
12/1994
12/28/1994CN2186200Y Combined protection board of chain for mountain bicycle
11/1994
11/09/1994CN2182125Y Guard for chain wheel of racing bicycle
10/1994
10/26/1994CN2180566Y Protective board for bicycle chain
09/1994
09/07/1994CN2176310Y Chain guard for bicycle with speed regulator on front wheel
08/1994
08/17/1994CN2174400Y Chain guard for variable-speed bicycle
07/1994
07/05/1994US5326331 Chain, hub, spoke and derailleur guard
06/1994
06/15/1994CN2168792Y Simple assembled chain top of pram
06/14/1994US5320583 Protector for front chain sprocket of a bicycle
05/1994
05/17/1994US5312303 Easily mounted fully enclosed chainguard
04/1994
04/27/1994CN2163123Y Bicycle variable speed chain guard
01/1994
01/12/1994CN2152745Y Dirt-protecting guard for variable speed bicycle
12/1993
12/22/1993CN2150130Y Guard cover for chain of bicycle
12/14/1993US5269727 Gear hub lock ring chain guard
10/1993
10/20/1993CN2144088Y Protecting decoration ring for bicycle chain
08/1993
08/25/1993CN2140871Y Variable-speed bicycle chain guard
08/18/1993CN2140336Y Speed variable chain cover
08/18/1993CN2140335Y Chain cover of speed variable bicycle
07/1993
07/14/1993CN2138079Y Bicycle open chair guard
06/1993
06/09/1993CN2135518Y 脚踏车链盖 Bicycle chain cover
05/1993
05/26/1993EP0543731A1 Gear drive housing
05/26/1993CN2134343Y Improved bicycle chain hood connecting structure
05/05/1993CN2131770Y Chain cover for bicycle
11/1992
11/19/1992EP0513647A1 Bicycle crankset structure
10/1992
10/15/1992WO1992017365A1 Cycle gear cover
10/14/1992CN2118680U Guard for chain of speed-changeable bicycle
09/1992
09/30/1992CN2117315U Chain guard of bicycle
09/16/1992CN1064448A Multifunctional dirt-preventing chain guard for bicycle and motorcycle
08/1992
08/19/1992CN2113228U Outer gearshift bicycle chain cover
05/1992
05/13/1992CN2104175U Chain guard of bicycle
05/06/1992CN2103497U Chain guard for speed changing bicycle
04/1992
04/22/1992CN2102235U Pigeon wing shape racing cycle chain case
03/1992
03/11/1992CN2098436U Chain guard of variable speed bicycle
03/05/1992DE4126156A1 Bicycle chain guard - is fixed concentrically around pedal sprocket bearing and covers sprocket side
02/1992
02/13/1992DE4025582A1 Chain guard for sports bicycle - has two=part fastener for adjustment of guard plate
01/1992
01/22/1992CN2093798U Chain guard of tricycles
01/15/1992CN2093136U Bicycle chain guard easy to assemble or disassemble
11/1991
11/26/1991US5067930 Bicycle sprocket protector
09/1991
09/03/1991US5044649 Bicycle drive train cleaning shield
08/1991
08/21/1991EP0442153A1 Chain casing
05/1991
05/28/1991US5018564 Fabric protective cover for a drive mechanism of a bicycle
03/1991
03/26/1991US5002520 Bicycle drive chain guide
02/1991
02/19/1991US4993508 Rear wheel supporting device for a motorcycle
11/1990
11/14/1990CN2065596U Plastic chain case
11/06/1990US4967867 Cover assembly for motorcycle axle
10/1990
10/02/1990US4960403 Bicycle drive chain
11/1989
11/29/1989EP0343751A1 Chain casing assembly for a bicycle
11/01/1989CN2046851U Decorative strip device for plastic chain guard
08/1989
08/08/1989US4854924 Cover device for a driving chain for a bicycle
05/1989
05/10/1989EP0315039A2 Protection of bicycle chain and in particular of gear mechanism and gear wheels of bicycle rear axle
03/1989
03/28/1989US4815555 Rear fender assembly for a motorcycle
11/1988
11/22/1988US4786071 Protective device for a bicycle driving chain
04/1988
04/20/1988CN87211730U Universal simply-constructed sychronous chain cover disc for bicycles
04/20/1988CN87207250U Plastic full chain cover for bicycle
04/06/1988CN87209331U Plastic chain guard
03/1988
03/29/1988US4733741 Wear plate for a motorcycle
03/16/1988CN87204858U Jig type dust-proof insertion plate for bicycle's chain cover
03/10/1988DE3629463A1 Chain guard, in particular for single-track vehicles
10/1987
10/13/1987US4699539 For a bicycle chain guard
04/1987
04/23/1987DE3537615A1 Chain guard made of plastic
01/1987
01/27/1987US4639240 Chainguard
12/1986
12/30/1986US4632416 Flexible protective cover for the drive train elements of a bicycle
03/1986
03/25/1986US4578120 Bicycle chain cleaning device and method
05/1985
05/07/1985US4515386 Guard for chain wheel
03/1985
03/26/1985US4507105 Bicycle chainguard
02/1985
02/26/1985US4501576 Power transmission mechanism
12/1984
12/11/1984US4487424 Bicycle sprocket shield
09/1984
09/18/1984US4471851 Mud guard system for motorcycle
05/1983
05/25/1983EP0079534A2 Power transmission mechanism
01/1983
01/04/1983US4366880 Debris deflector for belt drive motorcycles
07/1981
07/14/1981US4278265 Rear hub for a bicycle having improved spoke protector mounting
03/1980
03/25/1980US4194413 Chain guard and methods of making and using the same
06/1979
06/19/1979US4158402 Motorcycle chainguard and lubricator
10/1977
10/18/1977US4054063 Guard for a chain and chain wheel transmission in particular for the transmission of a cycle or the like
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