Portable ski tow hoist

Details Portable ski tow hoist Portable ski tow hoist

1977-04-25

1978-07-04

Makay, Albert J.

Railways

Traction

Cable

104230, 104233, 254138, B61B 1210

Patent

active

040981967

ABSTRACT:
A rope tow for use on a ski slope. Rollers are rotatably mounted one above the other on a fixed frame; the bearing surfaces are in frictional engagement. One of the bearing surfaces has a plurality of ridges. A knotted endless rope is passed through the engaged surfaces. The ridges clamp the rope as it passes therethrough to prevent slippage.

REFERENCES:
patent: 1928117 (1933-09-01), Stewart
patent: 2672306 (1954-03-01), Doolittle et al.
patent: 3166021 (1965-01-01), Schippers
patent: 3338180 (1967-08-01), Stecker
patent: 3368498 (1968-02-01), Doveri
patent: 3429279 (1969-02-01), Pomagalski
patent: 3773167 (1973-11-01), McGinnis
patent: 3854419 (1974-12-01), Cocroft

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