| 摘要 |
A carrier for converting a hand nailer gun of the type used in frame building construction to an automatic nailing mechanism is described. The carrier includes a carriage for a hand nailer gun, and a frame which supports the carriage for movement along a construction surface. A motion sensing wheel engages any construction surface over which the carrier travels to reciprocate the hand nailer gun against the same and thereby periodically actuate a trigger plunger at the nail discharge port of the gun. Alternative mechanism is included for either automatically depressing the trigger finger to discharge the gun or to provide an operator with direct control of such discharge. Moreover, a safety blocking arrangement is included to prevent depression of the finger trigger except under controlled circumstances.
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