Carpenter's roof pitch measuring device

Details Carpenter's roof pitch measuring device Carpenter's roof pitch measuring device

1998-04-16

2000-08-22

Fulton, Christopher W.

Geometrical instruments

Straightedge type

Combined with level

33427, 33464, B43L 714, G01B 524

Patent

active

061052663

ABSTRACT:
A carpenter's "square" has a first member with a spirit level so it can be held horizontal with one end elevated above a pitched roof, while the opposite end rests on the roof exactly 12 inches from the inside edge of a vertically movable member supported in the first member, and clamped to it by a thumb screw. This inside edge is graduated inches to read out roof pitch directly in "inches per foot".

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