Traversing hoists – Overhead – Cable
Patent
1978-03-14
1980-03-18
Makay, Albert J.
Traversing hoists
Overhead
Cable
414718, B66C 2306
Patent
active
041935055
ABSTRACT:
An arrangement in a hydraulically operated crane of the type having a supporting crane section and a movable crane arm system supported thereby and comprising support and guide means, telescopically extendable boom means including a first boom movably supported and guided by the support and guide means and a second boom supported by and telescopically movable in relation to the first boom; and drive means for moving the first boom in relation to the support and guide means and for moving the second boom in relation to the first boom; the drive means comprising an elongated flexible drive transmission means fixed to the support and guide means and extending into the first hollow boom through one end thereof and fixed to the second boom, the flexible transmission means being arranged such that a movement of the first boom in relation to the support and guide means will be transmitted by the flexible transmission means to the second boom for moving the latter in relation to the first boom a distance equal to the distance by which the first boom is moved in relation to the support and guide means.
REFERENCES:
patent: 2959923 (1960-11-01), Shook
patent: 3469712 (1969-09-01), Haulotte
patent: 3752327 (1973-08-01), Olson
patent: 3889818 (1975-06-01), Wennerstrom
Eliasson Hans
Satterberg Lars H.
Flocks Karl W.
Jonsereds AB
Makay Albert J.
Rishell, Jr. Edmond G.
LandOfFree
Arrangement in a hydraulically operated crane does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Arrangement in a hydraulically operated crane, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Arrangement in a hydraulically operated crane will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1120901