Elongated-member-driving apparatus – With interlock means
Patent
1994-12-05
1997-02-25
Smith, Scott A.
Elongated-member-driving apparatus
With interlock means
227131, B25C 515
Patent
active
056052685
ABSTRACT:
A portable motor-driven staple machine comprises: a trigger operation detecting switch 5 which is turned on and off by a trigger lever 3; a contact detecting switch 25 which is turned on and off by a contact arm 23; a cycle completion detecting switch 21 which is turned on and off by a plunger 17; and a mode change-over switch for selecting a single cycle operation mode or a continuous operation mode. Those switches are connected to a control circuit 26. When the trigger lever 3 is operated with the contact detecting switch 25 in "off" state, a timer section in the control circuit 26 counts clock pulses so that when it is detected that a predetermined period of time has passed, the switch "on" signal of the trigger operation detecting switch 5 is cut off. In the case where the continuous operation mode is selected, an automatic power interrupting function is released, so that the motor 7 is continuously driven; that is, staples are continuously driven into the object until the trigger operation detecting switch 5 or the contact detecting switch 25 is turned off.
REFERENCES:
patent: 4005812 (1977-02-01), Doyle et al.
patent: 4033500 (1977-07-01), Manganaro
patent: 4108345 (1978-08-01), Manganaro
patent: 4183453 (1980-01-01), Barrett et al.
patent: 4298072 (1981-11-01), Baker et al.
patent: 4724992 (1988-02-01), Ohmori
patent: 4940177 (1990-07-01), Jimena
patent: 5118023 (1992-06-01), Fushiya et al.
Hayashi Susumu
Matsumoto Hitoshi
Max Co. Ltd.
Smith Scott A.
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