Adjustable set back control device

Details Adjustable set back control device Adjustable set back control device

1987-10-28

1990-10-09

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408 17, B23B 4722

Patent

active

049616757

ABSTRACT:
A device for adjustably controlling the position and set-back of a piston rod which extends from a damping cylinder used on an airfeed peck drill. The device includes a plurality of ball members which surround the piston rod. The ball members are positioned against the piston rod by a spring biased cone having a tapered internal surface. The balls are further positioned with respect to the cone by a spring biased ball separator which is movable with respect to the cone by air pressure. The travel of the piston rod is made adjustable by a nut member threadably engaged with the housing.

REFERENCES:
patent: 2578454 (1951-12-01), Saives
patent: 3680970 (1972-08-01), Deschner
patent: 4421441 (1983-12-01), Hirose
patent: 4534683 (1985-08-01), Colliau

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