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US Patent: RE10,145
Adjustable Socket Wrench
Patentee:
Felix Chantrell - Bridgeport, CT

USPTO Classifications:
81/118, 81/124.4

Tool Categories:
wrenches : socket wrenches

Assignees:
None

Manufacturer:
Hazeltine & Chantrell - Bridgeport, CT
Smith & Egge Mfg. Co. - Bridgeport, CT

Witnesses:
J. E. Crane
Chas. P. Hazeltine
Geo. N. Seymour
E. J. Nottingham

Patent Dates:
Applied: May 29, 1882
Granted: Jul. 04, 1882

Reissue Information:
Reissue of 254,275 (Feb. 28, 1882)

Patent Pictures: [ 1 | 2 | 3 ]
Felix Chantrell Reissue Pat. July 4, 1882
USPTO pdf tiff
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Hazeltine and Chantrell adjustable socket wrench (FLICKR)
Description:
The adjustable socket works by a central left- and -right hand threaded bolt with a central knurl. Produced as a solid "T" handle socket wrench - known examples marked "PATD. FEB. 28 82 HAZELTINE & CHANTRELL BRIDGEPORT" -- or as a brace wrench with a socket using this design. In 1900, SMITH & EGGE was advertising the wrench.

The adjusting screw with left- and right-hand threads also appears in John Chantrell's bit brace (patent no. 284,276).

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