Mechanical quill having selective braking capability

Details Mechanical quill having selective braking capability Mechanical quill having selective braking capability

1983-09-30

1985-10-15

Kazenske, E. R.

Tool driving or impacting

Advance causing or controlling means

Rotary drive and advance originate from same mechanical element

408137, 192 85A, 192 2, B23Q 540

Patent

active

045468346

ABSTRACT:
A mechanical quill having selective braking capability, achieved by a pneumatic cylinder (110) mounted to one motor (80) for selectively driving a braking member (120) into a braking material (104) coupled to a motor armature (84). This braking member (120) interrupts a clutch-type drive path through the motor as desired, to prevent advance of a quill.

REFERENCES:
patent: 3166167 (1965-01-01), Kinsman
patent: 3885635 (1975-05-01), Menzel
patent: 3955629 (1976-05-01), Turner
patent: 4103763 (1978-08-01), Glocloners et al.
patent: 4201271 (1980-05-01), Evans
patent: 4411346 (1983-10-01), Witt

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