Driving mechanism for anchor

Details Driving mechanism for anchor Driving mechanism for anchor

1989-09-14

1991-09-24

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Means comprising hand manipulatable tool

29254, 173 90, B25B 2714

Patent

active

050502867

ABSTRACT:
Apparatus in accordance with this invention comprises a first part adapted to be positioned in engagement with an expander of an anchor bolt, a second part adapted to be engaged by a hammer drill, and a coupling between the first and second parts. The coupling includes a guide adapted to engage a bolt of the expander and a release normally connecting the second and first parts. The guide engages the release and holds the release in engagement with the first and second parts during driving operation but disengages the release after the expander has moved a preset distance relative to the bolt.

REFERENCES:
patent: 3883316 (1975-05-01), Mason
patent: 4627140 (1986-12-01), Davis
patent: 4845827 (1989-07-01), Vandenmast et al.

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