| 摘要 |
PCT No. PCT/EP87/00450 Sec. 371 Date Mar. 22, 1989 Sec. 102(e) Date Mar. 22, 1989 PCT Filed Aug. 15, 1987 PCT Pub. No. WO89/01322 PCT Pub. Date Feb. 23, 1989.This hand power tool mechanism is useful for caulking guns in particular. It has a stationary handle (101), a drive lever (102) connected to said stationary handle (101) by a joint (103), a movable handle (104) connected to said drive lever (102) by a joint (105) and a linkage closure bar (106) connected to both said movable handle (104) and said stationary handle (101) by joints (107) and (108) respectively. Said stationary handle (101), drive lever (102), movable handle (104), linkage closure bar (106) and said four joints (103, 105, 107, 108) are forming a four bar linkage mechanism which allows an optimum utilization of the hand power.
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