Work holders – Plural holders to hold workpieces relative to each other
Patent
1979-05-07
1980-11-18
Watson, Robert C.
Work holders
Plural holders to hold workpieces relative to each other
269 60, 269152, 269157, 269239, 269909, B25B 120
Patent
active
042341744
ABSTRACT:
The apparatus has a pair of spaced arms hinged at their lower ends to a base. The upper end of each arm supports a jaw which is used to grip the rubber mold. Each arm has a nut pivotably supported between the ends thereof which nut pivots about an axis parallel to the base and perpendicular to the centerline of the nut so that a long bolt, which is threaded in the nut and has its end pivotably anchored to the base, can rigidly support the arms in a substantially upright and variable position. Then by simply rotating each long bolt, the respective arm is made to rotate to change its angle it makes with the vertical.
REFERENCES:
patent: 289861 (1883-12-01), Schrepel
patent: 1120798 (1914-12-01), Duecker
patent: 1515286 (1924-11-01), Suebilius
patent: 1697117 (1929-01-01), Hilstad et al.
Nardelli Dominick
Watson Robert C.
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