Title:
SIMPLE CRANE FOR TRUCK
Document Type and Number:
Japanese Patent JP3446090
Kind Code:
B2
Abstract:
PURPOSE: To carry out a lift adjustment easily requiring no input, besides an operation on the earth by hanging a wire cable to the wire cable of a lift adjustment mechanism and rasing a movable pole from a fixed pole to a necessary height automatically by only the switch operation of a winch.
CONSTITUTION: When a lift is not enough under an usual state, a wire cable 34 is drawn out by the drive of a winch 7 and a hang metal fitting 36 is hung to the hook part 51 of the wire cable 50 of a lift adjustment mechanism 42. Next, when the wire cable 34 is wound back, a movable pole 15 is started to rise in relation to a fixed pole 14 and the winch 7 is stopped at such place that the matching mark 200 of the movable pole 15 is matched with the matching mark 201 of the fixed pole 14. Under this state, the movable pole 15 is fixed to the fixed pole 14 and a support body 6 is stretched. Thus, even when the lift is adjusted, the draw out work by a man power of the movable pole 15 is not required and all operation can be done on the earth.
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Inventors:
Masahiko Kono
Katsuhiko Tanaka
Katsuhiko Tanaka
Application Number:
JP454195A
Publication Date:
September 16, 2003
Filing Date:
January 17, 1995
Export Citation:
Assignee:
Wako Machine Industry Co., Ltd.
International Classes:
B66C23/44; B60P1/54; B66C23/48; (IPC1-7): B66C23/44; B60P1/54; B66C23/48
Domestic Patent References:
| JP5229788A | ||||
| JP620389U | ||||
| JP61185782U | ||||
| JP6359195U | ||||
| JP6341427Y1 |
Attorney, Agent or Firm:
Mamoru Taniyama
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