Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1985-07-11
1986-08-19
Schmidt, Frederick R.
Metal working
Method of mechanical manufacture
Assembling or joining
33180R, 52747, 269 37, 29559, B23P 1100
Patent
active
046061100
ABSTRACT:
A spacer bar is used to place ceiling runners at a predetermined distance apart. At either end of the bar is pivotally mounted a holder and this allows the bar connecting together the two holders to be freely movable relative to the holders. A holder is placed on one runner in position and the second holder holds a new runner to be placed in position. The new runner may be swung in position and spaced from the first runner due to the means connecting the two runners together.
REFERENCES:
patent: 1850735 (1932-03-01), Venzie
patent: 3583694 (1971-06-01), Davies
patent: 4304078 (1981-12-01), Meriwether, Jr.
patent: 4322064 (1982-03-01), Jarvis
Armstrong World Industries Inc.
Hartman Judy J.
Schmidt Frederick R.
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