F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/290
F16H 55/32 (2006.01) B23Q 5/20 (2006.01) B23Q 16/04 (2006.01)
Patent
CA 1167668
ABSTRACT OF THE DISCLOSURE A spindle keylock for stopping and locking the spindle of a machine tool at a predetermined angular orientation to align the machine tool spindle key with the toolholder key to facilitate tool exchange includes a collar fastened about the spindle for co-joint rotation therewith. The collar has a helically cammed exterior surface into which an axially extending slot or channel is inscribed. A cam follower, pivotally mounted to the machine tool spindlehead so as to lie within a plane passing through the spindle axis which is at a predetermined angular orientation with respect to a re- ference plane passing through the spindle axis in alignment with the spindle key, is rotatable about an axis perpendicular to the axis of the spindle for engaging with the cammed col- lar surface. When the cam follower is urged by a solenoid or an air cylinder against the cammed collar surface, the cam follower follows the cammed collar surface until the cam follower engages the collar slot to stop and lock the spindle at the desired angular orientation.
390583
Kearney & Trecker Corporation
Marcoux & Sher Swabey Mitchell Houle
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