Implements or apparatus for applying pushing or pulling force – Special engaging elements – Sharing props
Patent
1976-09-30
1977-07-19
Smith, Al Lawrence
Implements or apparatus for applying pushing or pulling force
Special engaging elements
Sharing props
214 1SW, 254 95, B66F 300
Patent
active
040364755
ABSTRACT:
A device for positioning insulation for attachment to roof structures having a lifting assembly for lifting an insulation support rack with an insulation bundle release mechanism.
REFERENCES:
patent: 1804299 (1931-05-01), Yentsch
patent: 2969220 (1961-01-01), Spencer
Smith Al Lawrence
Watson Robert C.
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