US Patent: 441,685 - Caliper Adjustment


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US Patent: 441,685

Caliper Adjustment

Patentee:

Arthur Munch (exact or similar names) - Milwaukee, WI

USPTO Classifications:

33/558.05

Tool Categories:

layout tools : calipers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

C. T. Benedict

Anna Faust

C. H. Keeney

Patent Dates:
Applied:	Aug. 21, 1890
Granted:	Dec. 02, 1890

Patent Pictures:

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Description:

Another fine-adjustment design for a caliper. This one uses a combination of adjustment screws to allow for both micro-adjustment and release/reset to accomodate measuring of inside diameters.