US Patent: 267,166 - Rapidly-Adjustable Nut for Calipers


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US Patent: 267,166

Rapidly-Adjustable Nut for Calipers

Patentee:

Samuel P. Dover (exact or similar names) - Dayton, OH

USPTO Classifications:

33/558.08

Tool Categories:

layout tools : calipers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Mar. 07, 1882
Granted:	Nov. 07, 1882

Patent Pictures: [ 1 | 2 ]

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Description:

This design uses a pair of threaded "wings" as part of the nut, allowingthem to be disengaged easily to allow the screw to slide on the threaded shaft.