Cutlery – Cutting tools – Scrapers
Patent
1986-11-03
1987-09-08
Watts, Douglas D.
Cutlery
Cutting tools
Scrapers
15236R, 30171, 299 36, 299 37, B26B 300
Patent
active
046914390
ABSTRACT:
My invention comprises a powered apparatus for detaching and stripping shingles from a building roof and may be used in any direction. A shovel-like device with a blade with nail body engagement slots at the front end and powered means to lower and raise the blade is mounted on a frame. When the blade is in the lowered position, it is moved under the shingles. Then the blade is raised to exert leverage and to detach the shingles while the slots in the blade engage nail bodies, press upward against the nail heads and pull out the nails. As the apparatus is rocked in a forward direction, the shingles, with the nails attached, are stripped by the blade and pushed off the roof or stacked in a pile. My invention can be operated by unskilled personnel in any bodily position and makes a slow, difficult and tiresome job easy by exerting substantial leverage sufficient to remove many layers of shingles. It satisfies a long felt need for a safe, lightweight, durable and reliable apparatus which will pay for itself in labor savings and increased efficiency. It is compact, portable and simple to maintain and repair. My invention is economical to produce and market. It has many other uses comprising, but not limited to, applications where prying and lifting is necessary on flat or sloping surfaces.
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patent: 4277104 (1981-07-01), Sanchez
patent: 4477972 (1984-10-01), Testa
Levine Frederick I.
Watts Douglas D.
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