Backhoe boom transport locking means

Details Backhoe boom transport locking means Backhoe boom transport locking means

1978-06-26

1980-09-30

Werner, Frank E.

Material or article handling

Vertically swinging load support

Shovel or fork type

B66F 900

Patent

active

042252822

ABSTRACT:
A locking system for mechanically locking a backhoe boom in a transport position on an earth moving machine. The boom is supported for swinging movement about a horizontal pivot carried on a swing post coupled by a vertical pivot to a frame structure of the earth moving machine. The locking system comprises a lever fulcrummed intermediate its ends on the swing post. The lever has at one of its ends a latching element engageable with the boom in a raised position of the latter to prevent downward swinging movement, and at the other of its ends a latching element simultaneously engageable with the frame structure to hold the swing post and thereby the boom in a centered position. A manipulable actuator accessible at the operator's station is provided for actuating or releasing the boom locking actuator.

REFERENCES:
patent: 3792778 (1974-02-01), Sholl et al.
patent: 3811582 (1974-05-01), Shumaker et al.
patent: 3921835 (1975-11-01), Baker et al.
patent: 3995761 (1976-12-01), Hurlburt

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