US Patent: 3,765,259 - Forward and Reverse Drive Mechanism for a Machine Tool


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US Patent: 3,765,259

Forward and Reverse Drive Mechanism for a Machine Tool

Patentee:

Arthur Jose Firth (exact or similar names) - Colchester, England

USPTO Classifications:

408/133, 74/354, 74/355

Tool Categories:

metalworking machines : metalworking machine mechanisms : metalworking power transmission

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Feb. 22, 1972
Granted:	Oct. 16, 1973

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Colchester Lathe Co., Ltd.

Description:

Abstract

Particularly for feeding the quill of a milling machine, a forward and reverse drive mechanism having a neutral (non-drive) position, including a gear on the drive shaft selectively engageable by one of two other gears disposed one on each side of the drive shaft gear, each other gear being carried by a lay shaft one or both of which drives a driven shaft and if only one lay shaft drives the driven shaft, that lay shaft is driven by the other lay shaft through an idler gear.

U.S. Patent Documents

1,834,716 December 1931 Kis

2,340,679 February 1944 Moore

2,426,299 August 1947 Dyer

3,621,730 November 1971 Jennings

Foreign Patent Documents

CA-474,535 Jun 1951

GB-1,041,190 Sep 1966