Crowbar

Details Crowbar Crowbar

1987-09-08

1989-07-04

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Nail extractor type

Single throw lever

B66F 1500

Patent

active

048444162

ABSTRACT:
A crowbar includes a lower portion, a middle portion, and an upper portion. The lower portion has a tip portion with a bearing surface. The middle portion is an offset portion. The upper portion has a plum line surface, which is disposed at an angle of about 90 degrees to the tip portion/bearing surface. The crowbar is useful in removing material from poorly accessible regions such as ceilings or floor - wall corners. For example, the crowbar can readily remove baseboards of partition walls, and wood lath from ceiling beams and is useful in lifting heavy objects and the like.

REFERENCES:
patent: 815064 (1906-03-01), Campbell
patent: 940197 (1909-11-01), Scarbrough
patent: 1221323 (1917-04-01), Hill
patent: 1715826 (1929-06-01), Fielding
patent: 3134574 (1964-05-01), Reuterfors

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