If you find a patent number or patent date by this manufacturer that is not on this
list, please contact the Site Historian.
Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
a special TIFF viewer must be installed with your browser in order properly work.
More information on how to configure your computer to view these patents can be
found at TIFF image Viewers
for Patent Images.
DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
|
659,781
|
Oct. 24, 1951
|
Improvements Connected With Pads Used on Reciprocating Cutter Bar Type Mowing Machines
|
Francis J. Bretherton |
, England |
Abstract:
The knives 8 of a reciprocating cutter-bar type of mowing machine are urged into contact with the fingers 12 by pads 7 each hinged to a bracket 1 secured to the cutter bar 2 and each urged downwards against a knife by a spring 9, which also serves to hold the arm raised when the arm is moved to the raised position. The spring 9 shown acts on the pad through the medium of a ball 10 which by engaging with a projection 7b of the pad holds the latter in either its raised or lowered position. |
|
666,860
|
Feb. 20, 1952
|
Improvements Relating to Starting Mechanism for Internal Combustion Engines
|
Albert E. Hewett |
, England |
Abstract:
An internal-combustion engine starting mechanism comprises a movable rack 3 which is mounted to engage a pinion 7 on the crankshaft of the engine so as to be freely rotatable in one direction only and resilient means such as a spring 10 which is secured to the rack and effective to exert on the rack an auxiliary pull to that exerted by the operator in starting the engine. The pinion 7 has a pawl-and-ratchet mechanism. The rack slides in brackets 5 and 8 mounted on the crankcase, and the spring is mounted in lugs 9, 11 which are secured to the bracket 8 and the rack respectively. |