Tine mounting for rotary harrow including U-shaped recess

Details Tine mounting for rotary harrow including U-shaped recess Tine mounting for rotary harrow including U-shaped recess

1975-01-29

1977-07-05

Stouffer, Richard T.

Earth working

Tool, standard or connection

Specific standard and beam connection

172 59, 172770, 172771, 403259, 403261, D15 29, A01B 1500

Patent

active

040334180

ABSTRACT:
A rotary harrow has soil working members, each of which includes a tine mounting wherein a horizontal support has a holder with a tine at one end, or both ends. Near the top of the fastening portion are one or two recess stops that are engaged by tightening elements to urge the fastening portion in tight engagement within an internal bore of the holder so that tension or compression is exerted on the interfit between bore and fastening portion. The fastening portion can taper upwardly and the bore is shaped with surfaces that conform to the taper of that portion. The tightening elements can be a nut and bolt combination, an externally threaded member or a pivoted cam that is turned with a tool. The fastening portion can have a region of reduced diameter so that it bears on two spaced apart areas of the bore.
Additionally, the fastening portion can include a substantially U-shaped recess, which can be engaged by one of the nut and bolt combination or the externally threaded member.

REFERENCES:
patent: 203417 (1878-05-01), Carson
patent: D237527 (1975-11-01), VAN DER Lely
patent: 706265 (1902-08-01), Smalley
patent: 2318051 (1943-05-01), Brace
patent: 3809166 (1974-05-01), VAN DER Lely et al.
patent: 3902560 (1975-09-01), VAN DER Lely

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