Coupling for rotary-vibratory drills

Details Coupling for rotary-vibratory drills Coupling for rotary-vibratory drills

1993-10-18

1995-04-25

Smith, Scott A.

Tool driving or impacting

Drive by means reacting to rotating eccentric mass

173143, 175 55, E02D 718

Patent

active

054090709

ABSTRACT:
A rotary-vibratory drill coupling has a first component with a plurality of spaced-apart members. Each member has a pair of opposed, spaced-apart faces defining a slot therebetween. A second component has a plurality of angularly spaced-apart blade-like projections extending radially thereon. Each of the projections is slidably received between one pair of the opposed, spaced-apart faces on the first component. Preferably there are anti-friction linings between the projections and the faces.

REFERENCES:
patent: 2123364 (1938-07-01), Katterjohn
patent: 2776113 (1957-01-01), Reh
patent: 3467207 (1969-09-01), Pyles et al.
patent: 3786874 (1974-01-01), Jodet et al.
patent: 3866693 (1975-02-01), Century
patent: 5027908 (1991-07-01), Roussy

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