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...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...

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Class 172/288 - Plural interconnected relatively movable wheels


Subclass of Class 172 - Earth working
Definition: Apparatus in which two or more wheels are interconnected
No. of patents: 4
Last issue date: 05/29/2012


NumberTitleIssue Date
8186449Agricultural implement walking beam assembly
An implement wheel assembly includes two individual wheel arms tied together by a linkage that pivots about a fore-and-aft extending axis at a location above the wheels and generally above the plane of the implement frame. The linkage constrains the wheel arms to pi...
05/29/2012
7367407Towed snowplow and method of plowing
A towed snowplow includes a frame which is carried by at least one wheel. The frame includes at least one moldboard and is arranged to be towed behind a vehicle and movable from a transport position directly behind the vehicle to a deployed position in which the fra...
05/06/2008
5044447Guide and control device for an agricultural machine
A guide and control device for an agricultural machine subjected in operation to a high lateral thrust in relation to its direction of traction, such as a disk-type stubble-plough includes a guide and control system having at the front, a set of freely os...
09/03/1991
4552375Convertible implement frame pulled lengthwise in the transport position
An implement frame convertible between use and transport positions and pulled lengthwise for road transport has an improved hitch assembly and an improved transport steering mechanism....
11/12/1985
 
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