Traction device

Details Traction device Traction device

1995-07-24

1996-12-03

Le, Mark T.

Track sanders

Fluid delivery

B60B 3900

Patent

active

055801064

ABSTRACT:
A method, using pressure air, of delivering sand from a sand box in the trunk of a car to a traction site at the interface of a car drive wheel and an ice or snow covered road surface to achieve car movement therefrom, in which the pressure air, as admittedly also occurs in the prior art, delivers the sand from the sand box to the traction site, but also significantly supplements the gravity flow of the sand from the sand box so that the amount of delivered sand to the traction site is adequate for the purposes intended, thereby overcoming a significant shortcoming of pneumatic car traction devices.

REFERENCES:
patent: 1795105 (1931-03-01), Buyck
patent: 2515341 (1950-07-01), Giguere
patent: 2606780 (1952-08-01), Loftus et al.
patent: 2999711 (1961-09-01), Sturmer
patent: 3345097 (1967-10-01), Smith
patent: 4486039 (1984-12-01), Jayne
patent: 4968069 (1990-11-01), Jensen

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