Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 2,113,087
Manually operated pressure tool
Patentee:
John Jensen - Rockford, IL

USPTO Classifications:
269/248, 72/416, 72/454

Tool Categories:
metalworking tools : metal punches
metalworking tools : sheet metal tools
specialty tools : wire connector tools

Assignees:
Whitney Metal Tool Co. - Rockford, IL

Manufacturer:
Whitney Metal Tool Co. - Rockford, IL

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 10, 1937
Granted: Apr. 05, 1938

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Roper Whitney, Inc.
Description:
"The invention relates to manually manipulable pressure tools such as splicing tools for wire, sheet metal shears, punches, and the like." It provides a recirculating ball mechanism to create "free-running antifriction gearing capable of extremely large force multiplication."

Copyright © 2002-2019 - DATAMP