Fastener driving tool

Motors: expansible chamber type – Cutoff after single complete cycle – Reversal responsive to motive fluid pressure change

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Details

91461, 227 8, F15B 1115

Patent

active

045506434

ABSTRACT:
A fastener driving tool includes a control assembly that allows the tool to be fired sequentially by first placing the tool against a workpiece followed by actuation of a trigger to fire the tool. The control assembly includes a valve assembly that allows the tool to be selectively adjusted to operate in a multi-shot sequence or a single shot sequence. In the single shot sequence the tool may only be actuated once upon placement of the tool against a workpiece and subsequent actuation of the trigger. The tool must be removed and repositioned on the workpiece before the tool can again be fired. In the multi-shot sequence, the tool may be repeatedly fired by repeated actuation of the trigger once the tool has been placed on the workpiece.

REFERENCES:
patent: 3278105 (1966-10-01), Juilfs et al.
patent: 3547003 (1970-12-01), Ramspeck
patent: 3638532 (1972-02-01), Novak
patent: 3677456 (1972-07-01), Ramspeck
patent: 3677457 (1972-07-01), Ramspeck

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