Tool supporting structure for use in material removing machines

Details Tool supporting structure for use in material removing machines Tool supporting structure for use in material removing machines

1990-09-11

1991-08-20

Britts, Ramon S.

Mining or in situ disintegration of hard material

Miscellaneous

299 93, F21C 3518

Patent

active

050408500

ABSTRACT:
A tool supporting structure which can be used in a mining machine has a mobile base with a cylindrical opening, a socket which extends in the direction of movement of the base and is located downstream of the opening, and a projection extending counter to the direction of movement of the base and at right angles to the axis of the opening. The base cooperates with an L-shaped tool holder having an opening which is coaxial with the opening of the base, a protuberance which forms part of one leg of the holder and is snugly received in the socket of the base, and a recess which snugly receives the projections of the base. The shank of a tool extends into the aligned openings to prevent movements of the holder and base relative to each other in the axial direction of as well as at right angles to the openings. The base is further provided with a composite aperture which has two sections separated from each other by the socket, and the protuberance of the holder has an aperture which is located between and is aligned with the two sections of the aperture in the base to receive a pin-shaped retainer which is parallel to the shank of the tool and cooperates with the shank to prevent extraction of the protuberance from the socket and a movement of the recess away from the projection of the base.

REFERENCES:
patent: 4744605 (1988-05-01), Komotzki

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