Anti-two block system

Details Anti-two block system Anti-two block system

1979-05-14

1981-07-28

Cherry, Johnny D.

Traversing hoists

Having vertically swinging boom

Having means to swing boom vertically

212152, 212255, B66C 1500

Patent

active

042806283

ABSTRACT:
A new and improved anti-two block system adapted to be used with a crane for the prevention of damage to the boom tip of the boom of the crane by the travelling member wherein the two block system of the present invention includes an engaging mechanism movably mounted with the boom tip for engaging the travelling member when the travelling member moves into close proximity to the boom tip during lifting operations of the travelling member with the crane for the prevention of damage thereto.

REFERENCES:
patent: 1834985 (1931-12-01), Stoner
patent: 2627983 (1953-02-01), Lathers
patent: 2906501 (1959-09-01), Brell
patent: 3266638 (1966-08-01), Popov
patent: 4067447 (1978-01-01), Goss et al.
patent: 4170308 (1979-10-01), Rogers

Affiliated with

Also associated with

Rating

Anti-two block system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Anti-two block system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Anti-two block system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-546415