Pilot pin-locking device in drilling machines

Details Pilot pin-locking device in drilling machines Pilot pin-locking device in drilling machines

1985-07-01

1986-11-25

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

408 68, 408204, 408209, B23B 5104

Patent

active

046246088

ABSTRACT:
A pilot pin-locking means for a drilling machine including a drilling tool, a hollow shaft for supporting the drilling tool and provided with a lubricating means, a bearing means mounted on the drilling machine, the shaft being supported by the bearing means for vertical movement and rotation about an axis, further including a pilot pin inserted through the center of the drilling tool for vertical movement.
The hollow shaft receives an engaging means that engages the pilot pin under the resilient action of a spring in a vertically movable manner. The engaging means is detachably locked to and biased against the inner face of the hollow shaft.

REFERENCES:
patent: 3577808 (1971-05-01), Visser
patent: 4090804 (1978-05-01), Haley
patent: 4204783 (1980-05-01), Hougen
patent: 4385853 (1983-05-01), Strange et al.

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