U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."

Sir William Preece, chief engineer, British Post Office ; 1878

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 56/293 - Oscillating


Subclass of Class 56 - Harvesters
Definition: Comprising knives which oscillate about pivots coacting
No. of patents: 8
Last issue date: 12/04/2007


NumberTitleIssue Date
7303025Motor-driven work apparatus
A rotatably driveable work tool (1) of a motor-driven work apparatus has, at a front end (2, 3), an end plate (5, 6) lying perpendicularly to a rotational axis (4). The end plate (5, 6) has an outer diameter (DR) which i...
12/04/2007
5503201Tree shear
A pair of pincer-type cutting blades are pivotally supported from a frame to be mounted from a front loader and fluid cylinders having base ends pivotally supported from the frame outwardly of the remote sides of the cutting blades include outer ends univ...
04/02/1996
5377480Apparatus for cutting down elongated standing crops, particularly stalk material
The cutting device proposed has cutting cells (3), located side by side, which collect the items to be cut. Each cell (3) contains a stationary element, which is designed to act as a support for the items to be cut and has a stop edge for the items, and a...
01/03/1995
5044146Oscillating-type mowing apparatus
Disclosed herein is a mowing apparatus including: a motive power source for supplying rotating motion; a mowing head; a pair of first and second cutting disks slidably superposed with each other, each of the disks including a plurality of peripheral cutti...
09/03/1991
4901512Dynamically compensated anti-clog mowing device
The invention relates to a mowing device applicable to any type of front cutting or non-front cutting mowing machine, power mower or mower driven by a tractor or other vehicle, comprising a support bar preferably rigidly fixed to the mowing machine frame,...
02/20/1990
4272948Oscillating knife cutting apparatus
An oscillating knife cutting apparatus preferably for use on a row crop harvesting unit of a forage harvester to sever crop material from its standing position in a field as it is delivered into the harvester. The apparatus comprises a main support with a...
06/16/1981
4244161Harvester header with drive mechanism for oscillating knife cutters
A multirow forage harvester header for cutting and conveying a row crop from a standing position in the field into a crop receiving throat of the harvester for processing. The header is provided with an improved drive means for actuating a pair of crop cu...
01/13/1981
4107906Impact actuated lawn mower
The invention relates to an improvement in a reciprocating mower of the type wherein pivotal reciprocation of the cutting blades is produced by impact blows received from a rotary impactor. In accordance with this invention, two actuating levers are emplo...
08/22/1978
 
Sign InRegister
Username  
Password   
forgot password?