Automatic bucket leveler

Details Automatic bucket leveler Automatic bucket leveler

1981-01-23

1982-06-08

Eickholt, E. H.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

37DIG17, 414701, D06F 8100

Patent

active

043332510

ABSTRACT:
An automatic bucket leveler is located on the underside of a bucket piston cylinder unit and is preset to stop the bucket in a horizontal or digging position. A trip bar is attached to the cylinder piston rod and moves with the cylinder piston rod through a magnetic field which is created by a proximity switch and is completed by a proximity of the trip bar within the magnetic field. A trip bar guide is provided as a part of the automatic bucket leveler structure which functions to protect the proximity switch from damage by encounter with the trip bar and keeps the trip bar in correct relationship to the proximity switch, within the magnetic field, as the trip bar passes alongside of the proximity switch.

REFERENCES:
patent: 3420393 (1969-01-01), Omon
patent: 3487968 (1970-01-01), Long
patent: 3713557 (1973-01-01), Seaberg et al.
patent: 3782248 (1974-01-01), Fuzzell
patent: 3929245 (1975-12-01), Inoue
patent: 4099449 (1978-07-01), Orimoto
Operators on Anual Models 510 and 515 Pay Loader, International Harvester Co., Form OM-510/515-1, Jan. 1979.

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