Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1988-07-11
1989-12-26
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
464 38, 172103, A01B 2106, A01B 6100, F16D 704
Patent
active
048891908
ABSTRACT:
The soil working machine, especially a circular spike harrow, includes a support housing (2) which extends perpendicular to the running direction (1), several soil working tools (3) disposed next to one another at the support housing (2), tool supports (4) asociated with each of the soil working tools (3), a driveshaft (6) connected to the tool support (4) and rotatably mounted in the support housing (2), and a rotational drive for the tool supports (4). The rotational drive has a gear wheel transmission (10) disposed in the support housing (2), the gear wheel transmission (10) having one gear wheel (11) for each tool support (4), the gear wheel (11) being rotatably mounted on a hub body (12) which is affixed on the drivehsaft (6) in a non-rotating fashion. The gear wheel (11) is coupled to the hub body (12) by a catching device (14, 25) which is under a spring pretension and which can be temporarily released in case of overload. The catching device (14, 25) includes an overrunning clutch through which the hub body (12) can be rotated relative to the gear wheel (11) within a given clearance angle (15).
REFERENCES:
patent: 2560427 (1951-07-01), Foss
patent: 2643530 (1953-06-01), Lathrop
patent: 3379034 (1968-04-01), Gustafson
patent: 4153115 (1979-05-01), van der Lely
patent: 4183231 (1980-01-01), van der Lely
patent: 4800826 (1989-01-01), Shiskin
Copending application number 07/110,716.
Barlage Bruno
Robert Franz-Josef
H. Niemeyer Sohne GmbH & Co. KG
Johnson Richard J.
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