Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar – Pawl actuated
Patent
1978-02-17
1980-02-12
Reese, Randolph A.
Implements or apparatus for applying pushing or pulling force
Step-by-step traveling bar
Pawl actuated
74194, 104173R, 104178, 104197, B61B 1100, B61B 1210
Patent
active
041880188
ABSTRACT:
An apparatus for towing a skier on skis to a ski-jump takeoff at an accelerating speed comparable to that given by a starting tower comprising an endless rope tow driven by a motor and transmission which supplies a pre-set constantly increasing acceleration to the endless rope tow.
REFERENCES:
patent: 1628916 (1927-05-01), Ronk
patent: 2087232 (1937-07-01), Constam
patent: 2379267 (1945-06-01), Wilson
patent: 2596762 (1952-05-01), Costner
patent: 3861514 (1975-01-01), Ling
patent: 3874303 (1975-04-01), Andren
patent: 3894830 (1975-07-01), Edwards
patent: 3942452 (1976-03-01), Peck
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