Control device for power tools

Details Control device for power tools Control device for power tools

1976-05-28

1978-04-25

Maslousky, Paul E.

Expansible chamber devices

With means to control flow of non-working arresting fluid...

92 138, 92 63, 92130C, F15B 1522

Patent

active

040856593

ABSTRACT:
A powered tool control device having a pair of coaxial pistons, with the first piston effective to move the second piston after completing a predetermined amount of pretravel initiated by a prescribed operational condition of the powered tool and with resulting movement of the second piston controlled by fluid directional regulators responsive to different operational conditions of the powered tool.

REFERENCES:
patent: 538840 (1895-05-01), Morgan, Sr.
patent: 823480 (1906-06-01), McLeod
patent: 1785759 (1930-12-01), Baumgartner
patent: 2408338 (1946-09-01), Parsons
patent: 3094902 (1963-06-01), Riopelle
patent: 3431985 (1969-03-01), Bowen
patent: 3698826 (1972-10-01), Henderson

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