Geometrical instruments – Gauge – Tool
Patent
1981-03-27
1982-12-28
Little, Willis
Geometrical instruments
Gauge
Tool
33143R, B23D 6300, G01B 520
Patent
active
043654207
ABSTRACT:
Apparatus is disclosed for measuring characteristics of chains, preferably of the type utilized on chain saws, having a semicircular holder affixed at the end of an elongated scale and a semicircular shoe slidable along the scale, the scale having graduations indicative of the number of chain links and the apparatus having sight holes for measuring chain link pitch and gauge.
REFERENCES:
patent: 2612702 (1952-10-01), Pearce
patent: 3391462 (1968-07-01), Craine
patent: 3845559 (1974-11-01), Offer
patent: 3965580 (1976-06-01), Bogart et al.
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