Driving and setting tool

Details Driving and setting tool Driving and setting tool

1988-08-16

1989-09-19

Yost, Frank T.

Tool driving or impacting

Convertible

173132, 7158, B23B 4516

Patent

active

048672491

ABSTRACT:
A tool attachment for a percussion drill power tool which expands and sets, essentially but not limited to, fastening anchors used in concrete and masonry. The tool's body is generally cylindrical and is mostly hollow to slip over a drill bit (38, 74) of the percussion drill, using a spring clip (24, 124) to keep it from falling off. The opposite end of the tool has either a coaxial concave recess (54, 154, 354, 454) to place onto an anchor (58) or a coaxial plunger (260) to slip into a mostly hollow anchor (258) that are placed into a drilled hole (64, 264). The anchor (58, 258) is then expanded and set into the concrete or masonry by the hammering action transmitted through the tool by the percussion drill.

REFERENCES:
patent: 2543942 (1951-03-01), Shaff
patent: 2725558 (1955-12-01), Munson
patent: 2743444 (1956-05-01), Thomas
patent: 2896209 (1959-07-01), Hilti
patent: 3370655 (1968-02-01), Chromy
patent: 3724738 (1973-04-01), Hurst
patent: 3932904 (1976-01-01), Nilsson et al.
patent: 3965510 (1976-06-01), Ernst
patent: 4525111 (1985-06-01), Gutsche

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