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Class 172/143 - Including intermittently rolling tool


Subclass of Class 172 - Earth working
Definition: Apparatus in which one of the earth working elements is
No. of patents: 4
Last issue date: 09/19/1995


NumberTitleIssue Date
5450907Rock collecting implement
An implement for gathering objectionable rocks and debris from the ground including a positive stop for limiting the range of displacement of the gathering mechanism relative to the ground. In the embodiment described, the gathering mechanism comprises a ...
09/19/1995
4350210Diker, apparatus, system and process of operation
An array of several like dimensionally stable readily manufactured diking apparatuses each of which operates in a furrow automatically produces a series of dams of uniform size at regular intervals of travel by repeatedly alternating positions one of a pa...
09/21/1982
4303129Furrow damming implement
A damming implement for depositing a series of earthen dams across a furrow to provide a line of catch or ponding basins which inhibit run-off of water includes a wheel structure having radially opposed blades oriented transversely to a line of draft for ...
12/01/1981
4213502Self tripping dammer
A dammer having three legs with a foot on the end of each leg is towed behind agricultural cultivating implements. Each foot slides flat against the earth until the weight of the soil causes the dammer to rotate, at which time the dammer rotates one-third...
07/22/1980
 
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