POWER DRIVEN HAMMERS OR THE LIKE

Power driven hammers or the like in which a closed type, cushioned tool holder is axially impacted by a free-floating driver mounted in a reciprocably driven, non-rotatable piston and also intermittently rotated and in which the mechanism producing intermittent rotation is of the ratchet type and ha...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KOEHLER H,US
Format:	Patent
Sprache:	eng
Schlagworte:	BORING EARTH DRILLING FIXED CONSTRUCTIONS HAND TOOLS MACHINE TOOLS MANIPULATORS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING MINING OR QUARRYING PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING TURNING
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Beschreibung
Zusammenfassung:	Power driven hammers or the like in which a closed type, cushioned tool holder is axially impacted by a free-floating driver mounted in a reciprocably driven, non-rotatable piston and also intermittently rotated and in which the mechanism producing intermittent rotation is of the ratchet type and has input and output members which are biased into driving engagement but disengage when a rotation restraining force of a predetermined magnitude is exerted on the tool holder. The input member is drive-connected to and rotated back-and-forth by the piston as the piston reciprocates.