Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1980-08-04
1982-11-09
Butler, Douglas C.
Material or article handling
Vertically swinging load support
Shovel or fork type
E02F 500
Patent
active
043582419
ABSTRACT:
A multi-purpose rear attachment for power lifts and drawbars of tractors has a bucket for handling bulk materials which is self-filling when used as a scoop and the capability of use as a scraper, a spreader and a leveler of the materials it transports. Linkage connected to the drawbar tilts the bucket as it is raised by the lift to a position retaining its contents, the linkage itself being variable to control the range of tilt. A trip accessible to the tractor operator releases one of the links such that the bucket becomes self-dumping. Camming actions by the trip effect positive release and relatching.
REFERENCES:
patent: 1856148 (1932-05-01), Ball
patent: 2254292 (1941-02-01), Jones
patent: 2364121 (1944-12-01), Arps
patent: 2423894 (1947-07-01), Lambert
patent: 3187912 (1965-06-01), McKnight
patent: 3368706 (1968-02-01), Vaalimaa et al.
patent: 3662839 (1972-05-01), Thorsrud et al.
patent: 4084853 (1978-04-01), Keenan
Butler Douglas C.
Hesston Corporation
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