Balanced reciprocating tool driven by rotary motion

Details Balanced reciprocating tool driven by rotary motion Balanced reciprocating tool driven by rotary motion

1976-01-08

1978-02-14

Purser, Ernest R.

Tool driving or impacting

Work cleansing

By motive fluid for drive motor or advance causing or...

51170TL, 173169, 74 42, B23B 1700

Patent

active

040733491

ABSTRACT:
A reciprocating tool, such as a sander, which may be driven by a rotary pneumatic motor via an eccentric connection with a gear train. In order to balance the dynamic forces generated by the reciprocating tool element, a weight may be properly positioned within the tool housing and driven by a similar eccentric connection to a gear train. Proper coordination of the gear train will result in the movement of the tool element and the weight in opposite directions at any given instant, thereby increasing the operator's ability to maintain the tool in a desired path of movement.

REFERENCES:
patent: 1818361 (1931-08-01), Schwabe, Jr.
patent: 2669812 (1954-09-01), Champayne
patent: 2795901 (1957-06-01), Mosbacher
patent: 3214823 (1965-11-01), Hendrickson
patent: 3225801 (1965-12-01), Dunn et al.
patent: 3286535 (1966-11-01), Schradder
patent: 3793781 (1974-02-01), Hutchins

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