Rescue frame

Details Rescue frame Rescue frame

1990-04-16

1992-08-04

Basinger, Sherman

Traversing hoists

Having vertically swinging boom

212263, 212265, B66C 2300

Patent

active

051351196

ABSTRACT:
A rescue frame to pivot about footings supported adjacent to an upper edge of a vertical incline. The rescue frame comprises a primary tubular member passing through the footings and having attached thereto a number of secondary tubular members so as to form a triangular pyramid having a pulley attached to it's apex such that upon pivoting the frame about the primary member, the pulley will extend out over the edge so that rope and stretcher may clear the incline during a lifting or lowering operation. Upon reaching the top of the incline, frame is pivoted back to laterally transfer the stretcher to another side of the primary member to safety located stretcher above the ground where it may be released from rope.

REFERENCES:
patent: 73748 (1868-01-01), Nichols
patent: 1958824 (1934-05-01), Jones
patent: 3049242 (1962-08-01), Stevens, Jr. et al.
patent: 3912088 (1975-10-01), Bronfmen
patent: 4621741 (1986-11-01), Boon
patent: 4782962 (1988-11-01), Hackworth et al.

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