Offset driver accessory

Details Offset driver accessory Offset driver accessory

1979-10-15

1982-05-04

Reynolds, Wm. Carter

Tool driving or impacting

Impacting devices

Impact transmitting anvil

173132, E21D 2000, B25D 1700

Patent

active

043278060

ABSTRACT:
The invention comprises an Accessory for use with a driver for forceably inserting friction rock stabilizers into bores formed in earth structures (such as mine roofs). In the depicted embodiments, the Accessory comprises an elongate body having a pin or socket at one, "lower", "driven" end for engaging and supporting an end of a stabilizer, and a limb or socket at the opposite, "upper", "drive" end for receiving a driver. The latter limb or socket is offset, to accommodate an angled, unobstructed address of the driver to the upper end of the body, and to enable a linear insertion of a lower-end-supported stabilizer into a bore. In accommodating a driver at the upper end of the body, to forceably insert a stabilizer which has its termination supported on the lower end of the body (the insertion force, therefore, being applied through the body), the Accessory facilitates bore insertion of lengthy stabilizers, by means of conventional drivers, in low headroom, subterranean openings.

REFERENCES:
patent: 352756 (1886-11-01), Husted
patent: 667464 (1901-02-01), Seeger et al.
patent: 1566631 (1925-12-01), Sturtevant
patent: 2605808 (1952-08-01), Current
patent: 2944523 (1960-07-01), Werstein
patent: 3454113 (1969-07-01), Holtz
patent: 3499497 (1970-03-01), Moore
patent: 3699799 (1972-10-01), Paine
patent: 3922867 (1975-12-01), Scott

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