Power transmission mechanism for a turret of a lathe

Details Power transmission mechanism for a turret of a lathe Power transmission mechanism for a turret of a lathe

2006-06-27

2006-06-27

Ashley, Boyer D. (Department: 3722)

Turning

Lathe

With tool turret

C074S81300L, C074S816000, C074S817000, C074S81300L, C074S81300L

Reexamination Certificate

active

07066063

ABSTRACT:
A turret of a lathe has a power transmission that is used for moving a tool Disk secured on a shaft to a secured position where the disk is engaged with a clutch. The transmission includes a piston, and a force multiplier unit, which includes a ring, a sleeve secured to the piston, and steel beads. The ring has first sloping trenches. The sleeve has sloping trenches that are less steep and opposing the first trenches, and has recesses connected to the trenches. The steel beads are held in respective ones of the spaces defined by the sloping trenches and the recesses, and are positioned next to a gear secured on the shaft such that when the piston is actuated for moving the tool disk towards the secured position, the steel beads will push the gear with multiplied force output while being rolled along the sloping trenches.

REFERENCES:
patent: 4379415 (1983-04-01), Klancnik et al.
patent: 5271134 (1993-12-01), Schips
patent: 5388743 (1995-02-01), Su et al.
patent: 5657523 (1997-08-01), Lin et al.
patent: 2003/0221525 (2003-12-01), Katoh et al.
patent: 2004/0003690 (2004-01-01), Katoh et al.

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