Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,690,303
Metal Shears
Patentee:
John Jensen (exact or similar names) - Rockford, Winnebago County, IL

USPTO Classifications:
269/291, 30/241, 83/467.1, 83/468.1, 83/628, 83/694

Tool Categories:
metalworking machines : metal shearing machines

Assignees:
Whitney Metal Tool Co. - Rockford, Winnebago County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 17, 1927
Granted: Nov. 06, 1928

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

In metal shears, the combination of a stationary blade, a movable blade. and a plate positioned in substantially parallel spaced relation to said stationary blade to limit the dimension of material to be interposed between said blades for cutting, said plate baring a recess adapted to admit one portion of a bent piece of material in order to position another portion of said piece of material between said blades for cutting closely proximate to said portion admitted to said recess.

Copyright © 2002-2024 - DATAMP