Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 795,222
Gearing for lathes
Patentee:
Bengt M. W. Hanson (exact or similar names) - Hartford, CT

USPTO Classifications:
112/318, 74/333, 74/372

Tool Categories:
metalworking machines : metal lathes

Assignees:
Pratt & Whitney Co. - Hartford, CT

Manufacturer:
Pratt & Whitney Co. - Hartford, CT

Witnesses:
H. E. Bailey
N. S. Bates

Patent Dates:
Applied: Oct. 13, 1904
Granted: Jul. 18, 1905

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Pratt & Whitney Co.
Description:
This quick-change gearbox mechanism was used for years on Pratt & Whitney lathes. The pinion-gear is carried on a lever that can slide side-to-side to align with the chosen cone gear, and then rocks forward to engage both the cone gear and the driving gear. This basic design was not new but many design details were covered by this patent, most of these refinements intended to strengthen and stiffen the mechanism.

Copyright © 2002-2024 - DATAMP