Geometrical instruments – Distance measuring – Opposed contacts
Patent
1989-08-21
1990-03-20
Cuchlinski, Jr., William A.
Geometrical instruments
Distance measuring
Opposed contacts
33807, 3355801, G01B 324
Patent
active
049089552
ABSTRACT:
A tool adapted to be manipulated single-handed for providing a direct reading of the size of small objects, particularly nuts and bolt heads. The tool includes a pair of tongs which are activated by a thumb slide. The latter is disposed in a slot formed in a planar surface of the tool. Scales, such as SAE and metric, are placed on opposite sides of the slot in operative side-by-side relation. The thumb slide includes a pair of index projections on opposite sides thereof which overlie the scales. Movement of the thumb slide to the point of contact of the extremities of the tongs with the object to be measured, provides a direct reading of the size of the object via the projections and scale markings. The tool includes a lubrication chamber and applicator for use in lubricating couplings and fasteners.
REFERENCES:
patent: 1264571 (1918-04-01), Steinhilper
patent: 1303747 (1919-05-01), Walton
patent: 1631896 (1927-06-01), St. John et al.
patent: 1998352 (1935-04-01), Bachmann
patent: 2926425 (1960-03-01), Fixen
patent: 4635370 (1987-01-01), Beaver
Cuchlinski Jr. William A.
Dowling William C.
Varallo Francis A.
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