Elongated-member-driving apparatus – With interlock means
Patent
1995-03-31
1995-09-26
Smith, Scott A.
Elongated-member-driving apparatus
With interlock means
227 32, 227110, 227119, B25C 700
Patent
active
054528356
ABSTRACT:
In a powered fastener-driving tool including a nosepiece arranged to guide a fastener driven by the tool and an actuator movable between an extended position and a retracted position and biased toward the extended position for disabling the tool unless the actuator is moved toward the retracted position, an improved mechanism is disclosed for positioning the tool relative to an opening in a workpiece to be fastened to a substrate. The mechanism comprises a probe having a tapered end adapted to extend into the opening of the workpiece for aligning the nosepiece with respect to the opening of the workpiece so that a fastener can be precisely driven through the opening of the workpiece. The mechanism further comprises a pivot pin for mounting the probe pivotally to the actuator via an arm mounted fixedly to the actuator and a bracket mounted fixedly to the arm. Thus, the probe is mounted so as to provide for conjoint movement of the probe with the actuator between the extended and retracted positions and so as to permit pivotal movement of the probe relative to the actuator, over a limited range of pivotal movement, between a fastener-engaging position wherein the probe is engageable by a driven fastener and a pivotally displaced position wherein the probe is displaced pivotally from the fastener-engaging position so as to permit a driven fastener to be driven past the probe.
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Illinois Tool Works Inc.
Smith Scott A.
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