Apparatus for controlling posture of front loader

Details Apparatus for controlling posture of front loader Apparatus for controlling posture of front loader

1988-09-08

1990-04-17

Werner, Frank E.

Material or article handling

Vertically swinging load support

Shovel or fork type

414722, 414697, 74471XY, F15B 1300, E02F 300

Patent

active

049175653

ABSTRACT:
The posture of a front loader attached to a vechicle body is controllable by an apparatus which comprises an engaging portion provided on a control lever, an engageable member pivoted to a fixed member on the vehicle body and releasably engageable with the engaging portion when the control lever is positioned for lowering the boom of the loader and for moving the work implement of the loader for scooping, an implement sensor for detecting whether the angle between the implement and the boom is an angle which provides contact of a work implement bottom surface parallel with horizontal ground, and a release interlocking mechanism operatively connected to the sensor and to the engageable member for moving the engageable member to a released position where the member is not engageable with the engaging portion upon the sensor detecting that the work implement is at the angle.

REFERENCES:
patent: 3155253 (1964-11-01), Pilch
patent: 3161307 (1964-12-01), Schick et al.
patent: 3432057 (1969-03-01), Goth
patent: 3522897 (1970-08-01), Freedy
patent: 3642159 (1972-02-01), Askins
patent: 3698583 (1972-10-01), Shore
patent: 3738522 (1973-06-01), Cecchi
patent: 3823647 (1974-07-01), Campbell et al.
patent: 3929245 (1975-12-01), Inoue
patent: 4825568 (1989-05-01), Kawamura et al.

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