Mounting arrangement for cutter socket

Details Mounting arrangement for cutter socket Mounting arrangement for cutter socket

1990-10-24

1992-06-30

Bagnell, David J.

Mining or in situ disintegration of hard material

Miscellaneous

299 92, E21C 3518

Patent

active

051257203

ABSTRACT:
A socket for holding a cutting bit is removably attached by one or more resilient pins to a base permanently secured to a rotor. The pins are inserted through partially aligned openings in the socket and base and are radially expandable to bias load bearing surfaces on the socket into firm engagement with load bearing surfaces on the base. The pins themselves bear a portion of the cutting forces, the pins being selected to fail in shear when extraordinary forces are encountered in order to prevent damage to the bases and the welds securing the bases to the rotor.

REFERENCES:
patent: 3575467 (1971-04-01), Davis
patent: 3614164 (1971-10-01), Davis
patent: 4068897 (1978-01-01), Amoroso
patent: 4087928 (1978-05-01), Mickus
patent: 4094611 (1978-06-01), Harper
patent: 4268089 (1981-05-01), Spence et al.
patent: 4275929 (1981-06-01), Krekeler
patent: 4316636 (1982-02-01), Taylor et al.
patent: 4349232 (1982-09-01), Braun et al.
patent: 4536037 (1985-08-01), Rink
patent: 4621871 (1986-11-01), Salani

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