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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 172/615 - Tools connected to parallel pivoted bars


Subclass of Class 172 - Earth working
Definition: Apparatus in which the earth working element mounting member
No. of patents: 7
Last issue date: 12/02/2003


NumberTitleIssue Date
6655469Turf comber
A turf combing device. A plurality of spring biased tines are fixedly mounted to rods rotatably mounted to a frame. Pivot arms fixedly mounted to the opposite ends of the rods are pivoted thereby rotating the rods and positioning the tines relative to gro...
12/02/2003
6626246Tillage implement with one point pin angle adjustment
A tine harrow assembly includes a frame member; a plurality of tines pivotally connected to the frame member to permit a rake angle adjustment of the tines. The tines are arranged in a plurality of transversely extending rows and an adjustment mechanism o...
09/30/2003
5492182Harrow
A harrow comprises an elongate tool bar formed in three sections including a central section and two wing sections all of which can rotate about a longitudinal axis, The wing sections are coupled by pivot couplings which allow the wing sections to fold re...
02/20/1996
4127178Earth working attachment
An attachment for an earth working apparatus having a mobile frame with central and wing sections, each with forward and rear frame members and a plurality of earth working members thereon. The attachment includes a plurality of reach arms for each sectio...
11/28/1978
4108089Agricultural implements
An implement has a forward structure that supports a fluid distribution system including soil penetrating tools, such as hoe bodies of freely rotatable tine groups through which fluid is ditributed across a broad path. The supporting structure is connecta...
08/22/1978
4029155Floating mount for agricultural finish tools
A trailing floating mount for agricultural finish tools is connected to the wheeled frame of an implement carriage and includes an elongated, longitudinally oriented finish tool draw bar attached to the carriage by a double-stop bracket which allows the b...
06/14/1977
3976145Finish tools with mounting bracket therefor
An inverted U-shaped bracket is designed to flexibly mount transverse harrow tine supporting bars for independent movement of each other upon longitudinally extending implement carrier arms to permit drag angle adjustment and ability to back up without di...
08/24/1976
 
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