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US Patent: 861,283
Wire Winding Tool
Patentee:
Henry J. Hjorth - Cambridge, MA

USPTO Classifications:
140/123, 140/124

Tool Categories:
specialty tools : spring winding tools

Assignees:
None

Manufacturer:
Hjorth Lathe & Tool Co. - Woburn, MA
Remington Tool & Machine Co. - Boston, MA

Witnesses:
Thomas E. O'Brien
Fred. E. Dorr
A. C. Ratigan
R. M. Pierson

Patent Dates:
Applied: Nov. 21, 1903
Granted: Jul. 30, 1907

Patent Pictures: [ 1 | 2 | 3 | 4 ]
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Martin J. Donnelly Antique Tools
"Vintage Machinery" entry for Hjorth Lathe & Tool Co.
Description:
Knight, Brown & Quinby - patent attorneys

Application renewed 12 Jun 1907.

Hjorth Lathe And Tool Company No. 1: "Perfection" Spring Winder. Pat. July 30, 1907. New Cond./ Orig. Box. Length: 5.00 Inches. These could be used either manually or in conjunction with a lathe to produce springs. The accompanying instruction pamphlet explains that the cost of the tool can be recouped in a single day of work.

(Description courtesy and copyrighted by Martin J. Donnelly Antique Tools)

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