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Class Information
Number: 74/520
Name: Machine element or mechanism > Control lever and linkage systems > Elements > Levers > Toggle
Description: Elements hinged together and employed to transmit a varying force by lateral pressure on the hinge.










Sub-classes under this class:

Class Number Class Name Patents
74/521 Lazy tongs 28


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8240637 Device for the linear displacement of a valve member Aug. 14, 2012
7484396 Pivot link for sheet bending brake and sheet bending brake including pivot link Feb. 3, 2009
7228721 Pivot link for sheet bending brake and sheet bending brake including pivot link Jun. 12, 2007
6886589 Float valve May. 3, 2005
6708723 Inwardly opening mechanical vent system Mar. 23, 2004
6502671 Brake actuation using a toggle clamp Jan. 7, 2003
6161447 Selection system for an automatic motor vehicle transmission Dec. 19, 2000
5967486 Automated actuator for pull-open, push-closed valves Oct. 19, 1999
5787593 Pivoting shaving system Aug. 4, 1998
5649454 Compliant constant-force mechanism and devices formed therewith Jul. 22, 1997
5535518 Unique two-axis pivoting shaving system Jul. 16, 1996
5520069 Synchronized lever mechanism for insertion and removal of modules in housings May. 28, 1996
5491633 Position sensor for electromechanical suspension Feb. 13, 1996
5319169 Molded case circuit breaker having rectangular knee pin non-rotatably keyed to toggle linkage Jun. 7, 1994
5297444 Toggle assembly Mar. 29, 1994
5230361 Snap action toggle valve actuator assembly Jul. 27, 1993
5189922 Force impulse generator Mar. 2, 1993
5148717 Telescopic steering column apparatus Sep. 22, 1992
5002457 Apparatus for storing stacks of articles and subsequently unstacking the articles and feeding the articles to working equipment Mar. 26, 1991
4889008 Apparatus for driving an oscillating spout Dec. 26, 1989
4873885 Device for the disconnectable coupling of a toggle joint to a telemanipulator slave arm Oct. 17, 1989
4833972 Wheeled table floor lock apparatus May. 30, 1989
4823902 Constant-speed cruising apparatus Apr. 25, 1989
4800767 Acceleration control device for a hydraulic drive unit Jan. 31, 1989
4771643 Spring return for motor driven loads Sep. 20, 1988
4755102 Fork-lift truck Jul. 5, 1988
4749064 Brake system for a wheelchair Jun. 7, 1988
4740119 Lever operated control mechanism for movement of an electric drill Apr. 26, 1988
4729248 Lever arrangement for transmitting limited tilting motions Mar. 8, 1988
4723457 Sudden interlocking and teleunlocking mechanical assembly for a translation switch having automatic reinforced interlocker Feb. 9, 1988
4716435 Heat and pressure roll fuser and roll engaging mechanism therefor Dec. 29, 1987
4648624 Fixing device for a tubular part, in particular for the steering column of a vehicle Mar. 10, 1987
4622798 Sealing mechanism for a packing machine Nov. 18, 1986
4559839 Apparatus for driving an oscillating spout Dec. 24, 1985
4523395 Adjusting device particularly for ski boots Jun. 18, 1985
4515029 Compound variable mechanical advantage shifting mechanism May. 7, 1985
4513629 Shock responsive device Apr. 30, 1985
4510817 Gear operating mechanism of an automotive manual transmission Apr. 16, 1985
4505217 Rigid marine sail Mar. 19, 1985
4462266 Kiln floor system Jul. 31, 1984
4462476 Walking apparatus Jul. 31, 1984
4460072 Braking mechanism for braking the chain of a portable power chain saw Jul. 17, 1984
4453425 Holding mechanism Jun. 12, 1984
4453455 Force amplifying displacement device Jun. 12, 1984
4449421 Lever mechanism with progressive transmission May. 22, 1984
4441313 Mounting devices for multiple flow turbojet engines Apr. 10, 1984
4437646 Discharge valve for concrete pumping apparatus Mar. 20, 1984
4416104 Clamping mechanism for impulse sealer Nov. 22, 1983
4400994 Hinge assembly Aug. 30, 1983
4347754 Force amplifier Sep. 7, 1982

1 2 3










 
 
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