US Patent: 591,061


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


Quick search:	Patent number:	Patent Date:

US Patent: 591,061

Wrench

Patentee:

Frank Stewart Smith (exact or similar names) - Chicago, IL

USPTO Classifications:

81/158

Tool Categories:

wrenches : wrench adjustment types : screw adjust wrenches

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Nov. 16, 1896
Granted:	Oct. 05, 1897

Patent Pictures:

Frank Stewart Smith patent October 5, 1897

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz

Description:

Combination quick- and screw-adjust pocket wrench, an improvement on patent no. 562,497. The shaft for the adjusting worm is pushed toward the shank by helical coil springs.

Corresponding British patent GB-189722841 was granted with effective date Oct. 5, 1897.