Carpentry measuring tool

Details Carpentry measuring tool Carpentry measuring tool

1993-09-20

1994-06-07

Will, Thomas B.

Geometrical instruments

Distance measuring

Opposed contacts

33348, 33488, G01B 308

Patent

active

053178130

ABSTRACT:
A carpentry tool employs a base tube having a window directed therethrough, with an intermediate tube having a scale recessed within the intermediate tube and a view through window, with an outer tube telescopingly directed through the intermediate tube, with the intermediate tube, the outer tube, and the base tube coaxially aligned relative to one another. The outer tube is arranged in typical foot graduations, the intermediate tube in inch graduations readable through the window. The outer tube and intermediate tube are arranged for nested orientation within the base tube. A modification of the invention includes an illuminated magnification lens mounted coextensively within the window for ease of viewing of the scale of the intermediate tube.

REFERENCES:
patent: 676161 (1901-06-01), Sullivan
patent: 2232824 (1941-02-01), Maher
patent: 3093919 (1963-06-01), Holtz
patent: 3190008 (1965-06-01), Weiss
patent: 3492729 (1970-02-01), Crain
patent: 3492737 (1970-02-01), Swanson
patent: 4180914 (1980-01-01), Lechner
patent: 4899452 (1990-02-01), Schafer
patent: 4944097 (1990-07-01), Kang
patent: 5038493 (1991-08-01), Stabs

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