Implements or apparatus for applying pushing or pulling force – Single throw lever – Special engaging feature
Patent
1986-04-14
1987-06-16
Schmidt, Frederick R.
Implements or apparatus for applying pushing or pulling force
Single throw lever
Special engaging feature
294 508, B66F 300
Patent
active
046731652
ABSTRACT:
A weed puller is provided which comprises a handle to which are separately attached two (2) rotating, weed grasping prongs. The lower, or ground penetrating, portion of each prong is offset from the top portion thereof, so that when the prongs are rotated about their individual separate vertical axes at the handle, the lower portions of the prongs approach each other in parallel orientation so as to grasp the weed and its roots with essentially evenly applied pressure. The prong rotation is achieved through outward movement of upper ends of the prongs in camming slots formed in a camming member. Such movement is created by pivoting the handle of the weed puller, with the prongs inserted in the ground astraddle the weed, toward an outwardly extending lever member which is rotatingly attached along a horizontal axis at the lower end of the handle, and is rigidly connected to or an extension of the camming member. Continued pivoting of the handle leverages the grasped weed from the ground. An enlarged lever end may be used to provide a broader pivot base and, by its weight, to bias the prongs to maximum separation prior to insertion into the ground.
REFERENCES:
patent: 73482 (1868-01-01), Woodworth
patent: 849654 (1907-04-01), Bennett
patent: 2016640 (1935-10-01), Lehota
patent: 2663543 (1953-12-01), Moseley
Nelson Ralph F.
Stephen Donald S.
Ingman John F.
Schad Steven P.
Schmidt Frederick R.
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