Drive mechanism for oscillatory abrasion and polishing tool

Details Drive mechanism for oscillatory abrasion and polishing tool Drive mechanism for oscillatory abrasion and polishing tool

2005-02-01

2005-02-01

Lewis, Ralph A. (Department: 3732)

Toilet

Nail device

Driven type

C451S162000

Reexamination Certificate

active

06848451

ABSTRACT:
A transmission for changing rotary motion into angularly reciprocating motion and adapted to be mounted on the output end of a power unit of the type having a rotary drive output and used to drive a tool. The transmission is comprised of a support member, a driving resinous member supported by the support member for rotary motion, and a driven resinous member supported by the support member for reciprocating angular movement by the support member. The transmission subassembly is formed by the driving resinous member, driven resinous member and support member and adapted to be mounted on the output end of the power unit with a rotary drive output mechanically coupled to the driving resinous member. A driving cam surface is disposed on a portion of the driving resinous member. A driven cam surface is disposed on a portion of the driven resinous member. The driving cam surface is in contact with the driven cam surface during at least a portion of the cycle of rotation of the driving cam surface. The driven cam surface is configured and dimensioned to be driven by the driving cam surface in a positive angular direction during one part of the cycle and is driven by the driving cam surface in a negative angular direction during another part of the cycle. Angularly reciprocating motion is thereby imparted to the tool as the driving cam surface and driven cam surface engage each other. The tool is particularly advantageous when used in connection with motorized manicure tools, polishing devices, and dermabrasion devices.

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