Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1982-09-02
1985-04-23
Staab, Lawrence J.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
51170TL, B24B 2300, F16H 2122
Patent
active
045122075
ABSTRACT:
A hand held reciprocating mechanism for driving an abrasive tool for finishing dies and the like is disclosed. The reciprocating mechanism of the present invention includes a housing which supports a tool holding assembly, and a drive mechanism including a crank pin which reciprocates a connecting rod which is operatively coupled to the tool holding assembly. The tool holding assembly is supported for reciprocation by a support bushing which is supported by the housing. An internal retaining ring is employed to attach a tool support housing to the tool support bushing and allow rotation of the tool support housing relative to the tool support bushing. The retaining ring allows the use of an enlarged outer end for the tool support housing with a slot formed therein to slidingly support a pair of opposed flats formed on the tool holding assembly. This permits the tool holding assembly to support heavy transverse loads without excessive wear between the tool holding assembly and the tool support housing.
REFERENCES:
patent: 2690081 (1954-09-01), Bjorklund
patent: 3007230 (1961-11-01), Riedl
patent: 3626768 (1971-12-01), Dancsik
patent: 4233850 (1980-01-01), Edwardson
patent: 4294317 (1981-10-01), Amoroso
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