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US 5,803,181 AGranted
Gardening equipment for looseing the soil
OwnerShih-Hao Hsuinventor
Life of this patent
Estimating the term…
Abstract
A gardening equipment for loosening the soil of a garden, including a polygonal axle having two screw rods at two opposite ends, two wheels respectively coupled to the polygonal axle, a plurality of tine bars coupled between the wheels and equiangularly spaced around the axle, a coupling device, and a handle coupled to the axle outside the wheels by the coupling device and adapted for moving the wheels over the soil by hand, causing the tines of the tine bars to loosen the coil.
Claims4
A gardening implement comprising:
- an axle having an axle body with a polygonal cross-sectional configuration and a screw rod extending from opposite ends of said axle body;
- a wheel coupled to the opposite ends of said axle, each wheel comprising a plurality of transverse teeth equiangularly spaced around a periphery, a polygonal center coupling hole at one side coupled to one end of said polygonal axle body of said axle, a rounded center hole communicating with said polygonal center coupling hole enabling the passing of one screw rod of said axle, and a plurality of coupling grooves equiangularly spaced at one side near the periphery;
- a plurality of tine bars fixedly attached between said wheels, each of said tine bars having opposite ends respectively, each opposite end fitted into one coupling groove of each of said wheels such that the tine bars do not pivot and rotate relative to the wheels, and a plurality of tines immovably attached to each tine bar, the tines extending outwardly beyond the peripheries of the wheels;
- a handle for moving said axle and said wheels by hand;
- and
- a plurality of links coupled between one end of said handle and the screw rods of said axle.
3 more elements
Dependencies are inferred from the claim text.