Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1986-11-03
1988-06-28
Larson, Lowell A.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, 294 642, B21D 0106
Patent
active
047531045
ABSTRACT:
A sheet metal working tool particularly adapted for automobile body repair comprising a slide hammer assembly attached to a suction cup from which air is drawn through the assembly. One embodiment utilizes a separate vacuum pump or ejector connected to the assembly through a vacuum hose. Another embodiment incorporates a compressed air-operated vacuum ejector functioning on the venturi principle into a stop on the end of the slide hammer assembly opposite the suction cup.
REFERENCES:
patent: 2771933 (1956-11-01), Edwards
patent: 3030837 (1962-04-01), Chartier
patent: 3570289 (1971-03-01), Smyers
patent: 3584836 (1971-06-01), Brubaker
patent: 3712106 (1973-01-01), Holsapple et al.
patent: 3744291 (1973-07-01), Hagerty et al.
patent: 3779057 (1973-12-01), Sonnenberg
Body Buddy, Inc.
Larson Lowell A.
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