Safety system for cranes

Details Safety system for cranes Safety system for cranes

1975-01-06

1976-07-13

Trafton, David L.

Communications: electrical

Systems

Call station

212 39R, 340224, G08B 2100

Patent

active

039697142

ABSTRACT:
A safety system for sensing the position of a load being carried by a crane, relative to the boom thereof. It comprises a self-powered radio transmitter positioned on the end of the boom of the crane, and an on-off switch to be engaged by a load-carrying block or hook whenever the load is in close proximity to the boom.
The system further comprises a radio receiver within the cab of the crane, such receiver being connected in circuit with suitable warning devices to energize the same upon receipt of a radio signal from the transmitter.

REFERENCES:
patent: 3127133 (1964-03-01), Glatfelter et al.
patent: 3266638 (1966-08-01), Popov
patent: 3725887 (1973-04-01), Sneider
patent: 3826321 (1974-07-01), Rigney et al.

Affiliated with

Also associated with

Rating

Safety system for cranes does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1742533