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