Implements or apparatus for applying pushing or pulling force – Single throw lever – Special engaging feature
Patent
1975-11-17
1976-10-12
Smith, Al Lawrence
Implements or apparatus for applying pushing or pulling force
Single throw lever
Special engaging feature
B66F 300
Patent
active
039853381
ABSTRACT:
A tool for breaking loose a manhole cover which has become sealed under an accumulation of road tar and dirt; the device consisting of a long lever which at one end has a hook for engaging an opening through the manhole cover, a fulcrum being located relatively close to the end of the lever having the hook, so that when a workman places his foot upon the other end of the lever, he can with very little effort pry the manhole upwardly for easy removal.
REFERENCES:
patent: 1396591 (1921-11-01), Reist
patent: 1511395 (1924-10-01), Canan
patent: 2099592 (1937-11-01), Barton
patent: 3198362 (1965-08-01), Berg
patent: 3275299 (1966-09-01), Meshew
Smith Al Lawrence
Watson Robert C.
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