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Class Information
Number: 294/67.21
Name: Handling: hand and hoist-line implements > Hoistline attached load supporting frame > L-frame > With center of gravity adjustment
Description: Devices wherein the suspension means of the L-frame is shiftable relative thereto to compensate for uneven load distribution so that a load supported thereon remains level.

Patents under this class:

Patent Number Title Of Patent Date Issued
8678455 Lifting fitting Mar. 25, 2014
8636312 Lifting hook with backstop Jan. 28, 2014
8272672 Suspension device Sep. 25, 2012
6733058 Winding roll lifting device with adjustable supporting arm and chuck member May. 11, 2004
6716018 Pelletizer knife hub transport mechanism Apr. 6, 2004
6578892 Articulated lifting devices for lifting objects under overhangs Jun. 17, 2003
6318952 Pipe laying tool Nov. 20, 2001
6089633 Sheet stack handler Jul. 18, 2000
6056340 Load-handling apparatus with end effector and center-of-gravity shifting device May. 2, 2000
5775753 Equipment for loading containers Jul. 7, 1998
5312218 Folding apparatus for positioning objects into structures May. 17, 1994
4818004 Rotor blade sling Apr. 4, 1989
4810016 Lifting hook Mar. 7, 1989
4759674 Remotely-operable positioning and carrying apparatus for remote-handling equipment Jul. 26, 1988
4626012 Load positioner Dec. 2, 1986
4549759 Forklift-type lifting apparatus Oct. 29, 1985
4522544 Handling sheets of material Jun. 11, 1985
4475758 Lifting fork Oct. 9, 1984
4416580 Claw crane with pushers Nov. 22, 1983
4286817 Hoisting accessory Sep. 1, 1981
4262950 Lateral shifting device for crane Apr. 21, 1981
4256337 Universal fork assembly Mar. 17, 1981
4251098 Under-the-roof loader Feb. 17, 1981
4245941 Device for storing an angle and the application thereof to the handling of loads Jan. 20, 1981
4017109 Hoisting device for a crane Apr. 12, 1977
3998488 Connecting element for moving means Dec. 21, 1976

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