Fastener driver tools
The tool includes an operating piston reciprocable within a working cylinder under the control of a control piston which is normally biased into engagement with a fixed obturating surface. The control piston grips the operating piston and only releases its grip when, after actuation of a trigger, th...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The tool includes an operating piston reciprocable within a working cylinder under the control of a control piston which is normally biased into engagement with a fixed obturating surface. The control piston grips the operating piston and only releases its grip when, after actuation of a trigger, the control piston has moved into a position in which it closes an air exhaust duct. |
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