Crane with left cylinder and journal lock and release device

Details Crane with left cylinder and journal lock and release device Crane with left cylinder and journal lock and release device

1975-10-24

1978-04-04

Hoffman, Drayton E.

Traversing hoists

Overhead

Cable

92118, 52115, 212 55, B66C 2306

Patent

active

040821919

ABSTRACT:
To facilitate transferring a massive crane boom from a regular crane carrier vehicle to an independent transport trailer, pivot pins for the rear ends of boom lift cylinders are held removably in journal boxes which are recessed into the crane turntable and are normally held captive in the recesses by shiftable locking dogs adapted to be extended over the tops of the journal boxes and to be retracted therefrom. The locking dogs are operated by turntable mounted power cylinders and safety means is provided to block accidental retraction of the locking dogs during normal crane usage.

REFERENCES:
patent: 296684 (1884-04-01), Furbush
patent: 3173549 (1965-03-01), Bendey
patent: 3699851 (1972-10-01), Kennedy
patent: 3770138 (1973-11-01), Chalupsky et al.
patent: 3807108 (1974-04-01), Johnston

Affiliated with

Also associated with

Rating

Crane with left cylinder and journal lock and release device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Crane with left cylinder and journal lock and release device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Crane with left cylinder and journal lock and release device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-718895