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US Patent: 737,996
Lathe
Patentee:
Dudley B. Bullard (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:
29/46, 29/65, 74/150, 74/160, 74/396, 74/527, 74/822

Tool Categories:
metalworking machines : metal lathes : engine lathes

Assignees:
Bullard Machine Tool Co. - Bridgeport, Fairfield County, CT

Manufacturer:
Bullard Machine Tool Co. - Bridgeport, Fairfield County, CT

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 05, 1901
Granted: Sep. 01, 1903

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Vintage Machinery entry for Bullard Machine Tool Co.
Description:
Claim:

In a turret-lathe the combination of a carriage-block; a reciprocating slide-bar provided with rack-teeth; a lever, one arm of which is a segmental gear in mesh with the rack on said slide-bar' and the other arm of which is an operative handle; a spring-actu-ated lockpin within said carriage-block; and connecting; means, provided with means for securing lost motion, between said slide-bar and said lock-pin, whereby as the slide-bar is continuously moved in one direction, first, said connecting means will depress said lockpin; second, said means of lost motion will retain said lockpin depressed, and, third, said connecting means will finally release said lock-pin, and whereby as the slide-bar is r5 moved in the opposite direction said connecting means will be restored to their original position.

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