Apparatus for indexing turrets for tools in grinding machines an

Details Apparatus for indexing turrets for tools in grinding machines an Apparatus for indexing turrets for tools in grinding machines an

1986-06-27

1987-08-11

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

74826, B24B 4104, B23B 2932

Patent

active

046852514

ABSTRACT:
A surface grinding machine wherein the turret for two grinding tools is indexible with reference to a support by disengaging the surfaces of its two coaxial sections from opposite sides of an annular component of the support. This is effected by cylinder and piston units which move one of the sections axially of any away from the other section before moving the other section away from the annular component. The one section carries one portion of a first bearing which engages the other portion of such bearing on the support when the one section is disengaged from the annular component. The other section carries one portion of a second bearing which engages another portion of the second bearing on the support in response to disengagement of the other section from the annular component. The turret is then indexible to a different position before the cylinder and piston units effect of allow a return movement of the two sections of the turret into frictional engagement with the annular component.

REFERENCES:
patent: 2934978 (1960-05-01), Estabrook
patent: 4080849 (1978-03-01), Benjamin
patent: 4189963 (1980-02-01), Seno
patent: 4461121 (1984-07-01), Motzer
patent: 4558611 (1985-12-01), Boffelli

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