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US Patent: 460,601
Lathe-Chuck
Patentee:
James N. Skinner (exact or similar names) - New Britain, Hartford County, CT

USPTO Classifications:
279/123

Tool Categories:
metalworking machines : metal lathes : metal lathe chucks

Assignees:
Skinner Chuck Co. - New Britain, Hartford County, CT

Manufacturer:
Not known to have been produced

Witnesses:
E. J. Skinner
A. B. Jenkins
William Musser
W. B. Jenkins

Patent Dates:
Applied: Apr. 13, 1891
Granted: Oct. 06, 1891

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Skinner Chuck Co.
Description:
Simonds & Burdett - patent attorneys

I claim as my invention:

1. In combination, in a lathe-chuck, a sectional chuck-jaw, the two sections having flat meeting faces, a pivot-screw uniting the two sections, and a removable annular plug fitting corresponding sockets arranged opposite to each other in the meeting faces of the two jaw-sections, and the fastening screws whereby the sections are held from turning upon the pivot-screw, all substantially as described.

2. In combination, in a lathe-chuck, the chuck-body and the jaw-feeding devices, a chuck-jaw made in two sections and having flat meeting faces, the upper section extending the whole length and overlying the lower section, the pivot-screw uniting the two sections and upon which the upper section revolves, the removable annular plug extending into a socket in each jaw-section surrounding the pivot-screw, and the screws extending through opposite ends of the upper section, whereby it is held against rotary movement on the lower section, all substantially as described.

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