Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other
Patent
1981-12-02
1987-12-15
Watson, Robert C.
Work holders
Plural holders to hold workpieces relative to each other
Workpieces parallel to each other
B25B 120
Patent
active
047127791
ABSTRACT:
A welding fixture for use in aligning and holding plate-like members for welding comprises a first clamp unit having a cavity for the accommodation of one plate and provided with anchor screws operable to secure the clamp unit to the plate. The apparatus also includes a support unit that is carried by the first clamp unit and has a chamber therein for the accommodation of a second clamp member capable of receiving a second plate that is to be welded to the first plate. The second clamp unit has anchor screws for clamping the second clamp unit to the second plate. The support member is adjustable horizontally relative to the first clamp unit and the second clamp unit is adjustable vertically relative to the first clamp unit while such units are clamped to their respective plates so as to enable the two plates to be adjusted to and maintained in proper relative positions during welding.
REFERENCES:
patent: 143604 (1873-10-01), Ainsworth
patent: 842007 (1907-01-01), Parker
patent: 1125253 (1915-01-01), Barber
patent: 1389760 (1921-09-01), Humbert
patent: 1942463 (1934-01-01), Williams
patent: 2803209 (1957-08-01), McDaniel
patent: 4165869 (1979-08-01), Williams
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