Anti-skid device for motor vehicles

Details Anti-skid device for motor vehicles Anti-skid device for motor vehicles

1984-04-30

1986-02-04

Reeves, Robert B.

Railways: surface track

Electrical connections

Combined rail joint or support

E01B 2300

Patent

active

045680205

ABSTRACT:
A series of U-shaped frames have their web and legs of progressively greater length. A smaller-size frame fits between and is pivoted to the free ends of the legs of the next larger-size frame. When the device is extended, each frame projects outwardly from an adjacent frame. In folded position, each frame nests within the next larger frame. At least some of the frames have ground-engaging teeth and the smaller-size frame has tire-engaging teeth.

REFERENCES:
patent: 2248537 (1941-07-01), Libbey
patent: 2443319 (1948-06-01), Mack
patent: 3069090 (1962-12-01), Ginsberg
patent: 3279700 (1966-10-01), Britschgi
patent: 3858803 (1975-01-01), Gantert
patent: 3910491 (1975-10-01), Ducharme

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