Patent ID: 7131677
Filing Date: 2006-11-07
Classification: A01B

Abstract:
1. A weeder, which a user can handle in a standing posture, comprising: a longitudinal shaft having a predetermined length and a longitudinal bore; chuck means provided at a lower end portion of said longitudinal shaft for pinching and pulling out weeds in the ground; said chuck means including first and second pinching means for pinching the weeds therebetween; first remover means combined with said chuck means for forcedly removing the weeds and/or mud from said first pinching means; second remover means combined with said chuck means for forcedly removing the weeds and/or mud from said second pinching means; operating lever means provided on an axis of said longitudinal shaft for actuating said first and second pinching means and said first and second remover means; and a towing wire inserted and extending within said longitudinal bore of said longitudinal shaft, and coupling said chuck means and said operating lever means; said chuck means further including an elongated base frame provided at said lower end portion of said longitudinal shaft, said elongated base frame having a first vertically extending hole, a movable member movably received in said longitudinal bore of said longitudinal shaft from a lower end portion of said base member, said movable member being provided with engaging means projecting laterally therefrom, a coil spring mounted around said movable member, and a swinging member, said towing wire being coupled at a lower end thereof to said movable member; said first pinching means including a body of a substantially L-shape in vertical-section; said substantially L-shaped body comprising a first vertically extending plate-shaped section serving as means to pinch the weeds in cooperation with said second pinching means, said first vertically extending plate-shaped section having a second vertically extending hole, and a second plate-shaped section serving as means for facilitating standing of said chuck means over the ground, said second plate-shaped section obliquely and upwardly extending from a lower end of said first vertically extending plate-shaped section, and said first plate-shaped section being provided at upper regions of both side edges thereof with bracket pieces which extend in the direction opposite to the direction in which said second plate-shaped section extends; said first pinching means being supported to said base frame by causing said first vertically extending plate-shaped section to be secured to said base frame; said swinging member including a pair of first spaced apart plate-shaped sections, a first intermediate plate-shaped section interconnecting said first spaced apart plate-shaped sections, and a connecting pin provided between said first spaced apart sections; said second pinching means being provided at said first intermediate section of said swinging member; said swinging member being pivotally supported to said bracket pieces of said first pinching means with said connecting pin thereof being engaged with said engaging means of said movable member; said first remover means including an elongated-plate-shaped body having notches formed in both sides thereof, said elongated-plate-shaped body being angularly bent at a lower end portion thereof, whereby a first remover blade is provided at said lower end portion of said first remover means; said first remover means being applied onto a surface of said first vertically extending plate-shaped section of said first pinching means and supported to said movable member so as to be vertically slidable on said surface of said first vertically extending plate-shaped section of said first pinching means, by a pin which penetrates through said second vertically extending hole of said first pinching means and said first vertically extending hole of said base frame; said second remover means including a pair of second spaced apart plate-shaped sections, a second intermediate plate-shaped section interconnecting said second spaced apart sections, and a second remover blade provided at said second intermediate plate-shaped section of said second remover means, said second spaced apart plate-shaped sections having third vertically extending holes formed therein and protruding pieces provided at upper ends thereof; and said second remover means being received in said swinging member with said protruding pieces thereof being engaged with said notches of said first remover means, with said second remover blade being contacted with said second pinching means, and with said third vertically extending holes thereof receiving guide pins which penetrate through said first spaced apart plate-shaped sections of said swinging member.