Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 2,780,944
Reversible drive for power tools
Patentee:
Elmer J. Ondeck - Brookfield, IL

USPTO Classifications:
408/124, 475/270, 475/286, 81/57.31

Tool Categories:
specialty tools : handheld power tools : power tool attachments
woodworking machines : handheld power tools : handheld power tool accessories

Assignees:
Supreme Products Corp. - Chicago, IL

Manufacturer:
Supreme Products Corp. - Chicago, IL
Ridge Tool Co. - Elyria, OH

Witnesses:
none listed

Patent Dates:
Applied: Feb. 26, 1954
Granted: Feb. 12, 1957

Patent Pictures: [ 1 | 2 | 3 ]
Reversing portion of mechanism. Not shown are the planetary gears
USPTO pdf tiff
Google Patents
Report data errors or omissions
"mrpete222" YouTube video showing this speed reducer
"Vintage Machinery" entry for Ridge Tool Co.
"Vintage Machinery" entry for Supreme Products, Inc.
Description:
Seen on YouTube: an example of this reversible speed reducer. The box is labeled Ridgid / Supreme Model No. 4100 Versamatic reversible power drill speed reducer / The Ridge Tool Company / Elyria, Ohio". This device may have been manufactured by Supreme for resale by Ridgid.

Copyright © 2002-2018 - DATAMP