Device for measuring lengths and conforming angles

Details Device for measuring lengths and conforming angles Device for measuring lengths and conforming angles

1982-07-01

1984-07-31

Martin, Jr., William D.

Geometrical instruments

Straightedge type

Multiplane angularly adjustable

33161, 33484, G01B 308, G01B 502

Patent

active

044621663

ABSTRACT:
A telescoping measuring rafter gauge comprising two telescoping members with locking devices. Further comprising two sliding pitch locating plates with tightening devices, where said pitch locating plates fit flush against a center ridge pole or hip rafter with graduations marked along the telescoping inner member of the rafter gauge. Hinge means are provided on the telescoping outer member.

REFERENCES:
patent: 164133 (1875-06-01), Blatchly
patent: 838371 (1906-12-01), Bender
patent: 2245646 (1941-06-01), Bullivant
patent: 2744332 (1956-05-01), Day
patent: 2875523 (1959-03-01), Fay
patent: 3373496 (1968-03-01), Nelson
patent: 3995373 (1976-12-01), Brumbelow
patent: 4180914 (1980-01-01), Lechner

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