Title:
LIFTING METHOD AND DEVICE
Document Type and Number:
Japanese Patent JP3417892
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lifting method and device for moving an arm structure.
SOLUTION: This lifting device is provided with a first arm structure 30 and a second arm structure 22 rotatably connected with the first arm structure 30. The device is also provided with a moving device 24, and with an action link 28 for moving the moving device 24 at least with respect to one out of the first and second structures 30 and 22. The action link 28 imparts a mechanical advantage to the moving device 24, and this advantage thereby allows the quantity of work required for moving the second arm structure 22 to be substantially reduced, and meanwhile, the lifting capacities of the second arm structure 22 and the moving device 24 are substantially increased, and the moving range of the second arm structure 22 with respect to the first arm structure 30 can thereby be widened.
Inventors:
Henry Di Berthalou
Application Number:
JP31097999A
Publication Date:
June 16, 2003
Filing Date:
November 01, 1999
Export Citation:
Assignee:
GROVE U.S. LLC
International Classes:
B66C23/82; B66C23/00; B66C23/42; B66C23/68; B66F11/00; B66F11/04; E04G1/00; (IPC1-7): B66C23/82; B66C23/68
Domestic Patent References:
| JP488490U | ||||
| JP7509682A |
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)