Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar – Pawl actuated
Patent
1976-03-29
1977-03-22
Werner, Frank E.
Implements or apparatus for applying pushing or pulling force
Step-by-step traveling bar
Pawl actuated
254186R, 254193, B66D 148
Patent
active
040132706
ABSTRACT:
A rigid boom is provided with a cable receiving winch drum and a traction sheave to receive the cable therethrough. The drum is laterally removable from the boom and a latch and split cable guide mechanism on the sheave permits a new drum and cable to be installed on the boom in a short interval of time.
REFERENCES:
patent: 1657187 (1928-01-01), Whittlesey
patent: 2654571 (1953-10-01), Albright, Jr.
patent: 2802639 (1957-08-01), Troyer
patent: 2931331 (1960-04-01), Uebelhoer
patent: 3215405 (1965-11-01), Walsh
patent: 3715103 (1973-02-01), Carreras
patent: 3744759 (1973-07-01), Jennings
patent: 3788607 (1974-01-01), Crooks
patent: 3836120 (1974-09-01), Niskin
Laky Elmer
Walsh Ralph
Breeze Corporations, Inc.
Kronman Albert F.
Underwood Donald W.
Werner Frank E.
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