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Class Information
Number: 212/71
Name: Traversing hoists > Overhead
Description: Miscellaneous traversing hoists comprising means for raising a load from overhead and traversing it, either in a straight or curved line.










Sub-classes under this class:

Class Number Class Name Patents
212/72 Cable, ship coaling type 4
212/76 Cable 36
212/336 Nonmotor traverse 6
212/328 Self-propelled trolley 25
212/73 Shiftable track 14
212/343 Surface vehicle 14
212/346 Trolley having wheels which contact different sides or planes of a beam 29


Patents under this class:

Patent Number Title Of Patent Date Issued
8499430 Assembly method of transfer mechanism and transfer chamber Aug. 6, 2013
8374420 Learning device and learning method for article transport facility Feb. 12, 2013
7997433 Device for suspending a travel rail of an overhead conveyor or a hoisting machine Aug. 16, 2011
7793794 Hoist for low space crane Sep. 14, 2010
7618223 Dock to boat transfer aid for handicapped boaters Nov. 17, 2009
7558645 Overhead travelling carriage system Jul. 7, 2009
7284745 Portable raising and lowering device and equipment therefor Oct. 23, 2007
6674828 Safe lift and process for transporting canisters of spent nuclear fuel Jan. 6, 2004
6564954 Rope hoist with elastic frame May. 20, 2003
6315138 Multidirectional, switchless overhead support system Nov. 13, 2001
6250484 Counterweight for monorail hoists Jun. 26, 2001
6079578 Multidirectional, switchless overhead support system Jun. 27, 2000
6041949 Overhead lifter for electrical switching apparatus Mar. 28, 2000
5996823 Overhead support system Dec. 7, 1999
5673804 Hoist system having triangular tension members Oct. 7, 1997
5147051 Hoisting device for individuals Sep. 15, 1992
5080302 Method and apparatus for aerially transporting loads Jan. 14, 1992
5022543 Positioning gear for moving a load suspended by at least one cable of a lifting system in the vertical direction Jun. 11, 1991
4838437 Monorail and fishplate assembly Jun. 13, 1989
4398640 Multi-span skyline logging system Aug. 16, 1983
4387812 Intermediate cable support Jun. 14, 1983
4347938 Running skyline intermediate support and multi-span carriage Sep. 7, 1982
4316696 Mechanism for transferring certified weights from and into a vehicle Feb. 23, 1982
4301565 Method and system for the removal and replacement of a bridge Nov. 24, 1981
4203687 Under water crane May. 20, 1980
4113112 Constant balance crane Sep. 12, 1978
4055316 Method and equipment for aerial transport Oct. 25, 1977
3982634 Method and apparatus for erecting a vertical structure Sep. 28, 1976
3976265 Semibuoyant composite aircraft Aug. 24, 1976
3946971 Load lifting system Mar. 30, 1976











 
 
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