Patents
Patents for B21L 21 - Tools or implements for repairing chains using metal-working operations, e.g. for detaching deformed chain links (156)
11/2003
11/27/2003US20030217453 Method and apparatus for disassembling a track chain
02/2003
02/19/2003CN1397746A Appts. and method of enabling link pin inserting chain esp. bicycle chain
01/2003
01/30/2003US20030022747 Device and method for inserting an articulation pin for a chain particularly for bicycles
12/2002
12/18/2002EP1267093A1 Device and method for inserting an articulation pin for a chain, particularly for bicycles
10/2002
10/24/2002DE10118833A1 Assembler for link chains comprises housing with link pair mounting space fitted with mounting pin guide and assembly space cover plus de-mounted bolts rejection outlet as required.
09/2002
09/24/2002US6453657 Hydraulic device for assembly and disassembly of conveyor chains using interference-fit connecting pins and method of using the same
03/2000
03/07/2000US6032455 Device to hold roller chain
02/2000
02/01/2000US6019352 Vice like grip for chains
04/1999
04/28/1999CN2316095Y Chaining device
01/1999
01/07/1999DE19727845A1 Assembling tool apparatus for one-off or small batches of chains
11/1998
11/17/1998US5836826 Machine for making star nails
08/1998
08/04/1998US5787701 Disassembling device for roller chains
05/1998
05/19/1998US5752377 Roller type chain assembling and disassembling mechanism
12/1997
12/31/1997CN2271421Y Chain top stripping attachment
01/1997
01/22/1997CN2245507Y Chain link dismounting apparatus
04/1996
04/03/1996CN2223662Y Implement for detaching deformed chain links
11/1995
11/07/1995US5463862 Roller chain breaker
03/1995
03/22/1995CN2192417Y Automatic adjuster for chain slack and taut
06/1993
06/29/1993US5222354 Apparatus for chain link removal and replacement
06/01/1993US5214909 Clamp mechanism
06/01/1993US5214908 Track press machine
06/01/1993US5214907 Tool mounting arrangement for a track press
04/1993
04/20/1993US5203158 Roller chain assembling and disassembling device
03/1993
03/30/1993US5197273 Fluid control system for a track press
03/16/1993US5193336 Tool and method for removing a clip member from a master link in a chain member
09/1992
09/20/1992CA2063125A1 Tool for separating chain links
10/1991
10/15/1991US5056305 Tool for separating chain links
08/1990
08/21/1990US4949446 Rivet remover
05/1989
05/02/1989CA1253315A1 Apparatus for displacing a line of track chain
01/1988
01/12/1988US4718228 Apparatus for displacing a line of track chain
01/1987
01/13/1987US4635437 Chain punch
10/1986
10/23/1986WO1986006011A1 Tool for the assembly and disassembly of a plug-in link in a roller chain
04/1986
04/15/1986US4581825 Chain punch
08/1985
08/27/1985US4537098 Tool for straightening jewelry chain
05/1985
05/02/1985EP0139437A2 Apparatus for displacing a length of track
03/1985
03/26/1985US4506501 Apparatus for repairing chains
04/1984
04/10/1984US4441389 Chain severing apparatus and method
02/1984
02/07/1984US4429525 Repairing a roller chain
07/1983
07/26/1983US4394810 Chain link repair device
07/1982
07/06/1982CA1126967A1 Method for reconditioning rivetless chain links
09/1981
09/15/1981US4289015 Chain link tool
08/1981
08/11/1981US4282707 Chain breaking tool
01/1981
01/07/1981EP0021687A1 Method of reconditioning a worn chain link
11/1980
11/25/1980US4235073 Chain breaker
10/1980
10/28/1980US4229962 Method for reconditioning rivetless chain links
09/1980
09/09/1980US4221113 Tool for separating and connecting links of flat chain belt
06/1979
06/12/1979US4157594 Roller chain plier
06/05/1979US4157009 Tool bar assembly for track presses
04/1978
04/18/1978US4084369 Chain link assembly and disassembly tool
08/1977
08/16/1977US4041814 Method and device for dispensing portions of a chain
06/1977
06/21/1977US4030286 Link drive chain repair tool
03/1977
03/29/1977US4014534 Chain repair workbench
03/01/1977US4009627 Device for dispensing portions of a chain
12/1976
12/14/1976US3996782 Chain cutting apparatus
09/1976
09/14/1976US3979812 Chain breaker
02/1976
02/10/1976US3937005 Key for removing locking members from drive chains or the like
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