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Class Information
Number: 171/71
Name: Unearthing plants or buried objects > Plow or blade continguous to vibrating separator
Description: Apparatus which includes an interstitial separating member adjoining a nondriven soil cutting or lifting element and mounted for to-and-fro and/or up-and-down motion in its entirety or as a unit, relative to said element, said separating member (1) having a portion thereof, or means mounted on a portion thereof engaging the ground in order to follow the undulations in the soil to vibrate the separating member or (2) said separating member being provided with a means to move said member thru a small amplitude in order, in each case, to shake soil and entrained desired objects deposited on or against the separating member.


Sub-classes under this class:

Class Number Class Name Patents
171/78 Ground supported trailing separator 2
171/77 Non-circular rolling support for a separator 0
171/75 Plural separator sets of with articulated elements 1
171/81 Shifting laterally 0
171/79 Supported on longitudinally spaced links 0
171/80 Swinging about longitudinal or inclined axis 1
171/73 Transversely curved or inclined separator 0
171/72 With resilient support or drive connection 0
171/74 With side walls or guides 2


Patents under this class:

Patent Number Title Of Patent Date Issued
5909714 Tree digging apparatus Jun. 8, 1999
5762146 Nursery plant digger Jun. 9, 1998
4698150 Beach trash machine Oct. 6, 1987
D267320 Blade plough Dec. 21, 1982



 
 
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