US Patent: 335,565 - Combined Rule, Calipers and Square


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US Patent: 335,565

Combined Rule, Calipers and Square

Patentee:

Edward Cliff (exact or similar names) - Oswego, Oswego County, NY

USPTO Classifications:

33/458

Tool Categories:

layout tools : calipers

rules

layout tools : squares

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	May 06, 1885
Granted:	Feb. 09, 1886

Patent Pictures:

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Description:

Abstract:

This invention consists in a novel construction of an articulated lineal measuring-rule, which serves the additional functions of inside and outside calipers, a square, and a miter-gage, and which multiple tool is braced so as to prevent its warping or breaking by ordinary usage, and furthermore, has its pivots expansible, so as to compensate for the wear thereof.

Claim:

In an articulated lineal measuring-rule, the combination, with the central members, of the end members connected to the ends of the central members by pivots at right angles to the plane of the rule, and the free ends of said end members provided with laterally-projecting calipering-points.