US Patent: 408,291 - Brake for Lathe Spindles


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 408,291

Brake for Lathe Spindles

Patentee:

Edward P. Bullard (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:

188/74, 188/75, 82/142

Tool Categories:

metalworking machines : metalworking machine mechanisms

metalworking machines : metal lathes : metal lathe accessories and attachments

Assignees:

None

Manufacturer:

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

Bridgeport Machine Tool Works - Bridgeport, Fairfield County, CT

Witnesses:

Unknown

Patent Dates:
Applied:	Apr. 24, 1889
Granted:	Aug. 06, 1889

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Bridgeport Machine Tool Works
"Vintage Machinery" entry for Bullard Machine Tool Co.

Description:

Claim:

My invention relates to certain new and useful improvements in brakes for use upon lathe-spindles or other rotating shafts; and the object of my invention is to produce a device of this description which shall be simple in construction and easy of application, whereby the movement of the shaft or spindle may furthermore, may serve as a lever for turning the spindle by hand, so as to unscrew the chuck or bring the latter into any position desired.