Harvesters – Motorized harvester – Including plural operating units and drive
Patent
1987-02-24
1989-05-09
Weiss, John
Harvesters
Motorized harvester
Including plural operating units and drive
56 6, A01D 3466
Patent
active
048277037
ABSTRACT:
A mowing machine that extends laterally from a tractor and is an assembly of carrier parts, supporting and spacer housings, held together by one or two tensile bars. If there is only one tensile bar, it is received through the carrier parts at about the same level as the mower's drive sahft where the front of the supporting housing curves to form its bottom, such curve conforming to the radius of the tensile bar and defining a continuous internal groove therefor that conforms to the bar's curvature as seen in cross-section. If there are two tensile bars, the other is similarly situated in a continuous internal groove at the rear of the supporting housing about three to four times farther, however, from the drive shaft. External outwardly facing grooves in another embodiment are defined by supporting and spacer housings. For only one tensile bar, the groove extends from the bottom to the housings' center. For two tensile bars, grooves are formed midway in the housings' upper and lower aspects or alternatively in the foremost and rearmost aspects. For all external grooves, lugs retain tensile bars therein. In one embodiment there are separate forward spacer housings for the drive shaft and a rearmost spacer, a central tensile bar extending through the housings only between the forward and rearmost spacers. Carrier parts are urged against each other by tightening a nut on the tensile bar bearing on an outboard crop guide. Stops welded to an inboard transmission gear prevent a nut welded to the tensile bar from turning.
REFERENCES:
patent: 4577456 (1986-03-01), van der Lely et al.
patent: 4679384 (1987-07-01), van der Lely et al.
patent: 4693062 (1987-09-01), van der Lely et al.
Albright Penrose Lucas
Miller Robert A.
Weiss John
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