US3566949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire-traction chain
Assignee: Individual
•
Filing: 1969-03-06
•
Granted: 1971-03-02
•
Expires: 1989-03-06
Abstract
Abstract A traction chain for automobiles, trucks, etc., whereby the ends of which have oppositely extending connectors attached to the vehicle wheel rim on diametrically opposed sides thereof and to clamping members on the rim of said wheel.
Inventors
- 👤 Hans Schieber
- 👤 Paul Bindel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:23
CPC Classifications
B; B60; B60C; B60C27/00; B60C27/06
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
137 words
A tire traction device comprising in combination with a motor vehicle wheel including a tire, a wheel having a rim and a wheel lug; a. tread chain having end sections on each of the free ends of said tread chain; b. a pair of two part clamping members each removably attached to the rim of a motor vehicle wheel in opposed relationship, one on the front side of the wheel rim and one on the rear side thereof, each of said pair of clamping members including an upper section and a lower section, said front lower section having means anchored to said tire lug to prevent displacement of said sections from said tire rim; and c. latching means on the free end of each said end sections to lock said tread chain to said respective clamping members.
Claim 2
Dependent Claim
137 words
A tire traction device comprising in combination with a motor vehicle wheel including a tire, a wheel having a rim and a wheel lug; a. tread chain having end sections on each of the free ends of said tread chain; b. a pair of two part clamping members each removably attached to the rim of a motor vehicle wheel in opposed relationship, one on the front side of the wheel rim and one on the rear side thereof, each of said pair of clamping members including an upper section and a lower section, said front lower section having means anchored to said tire lug to prevent displacement of said sections from said tire rim; and c. latching means on the free end of each said end sections to lock said tread chain to said respective clamping members.
Claim 3
Dependent Claim
65 words
The device according to claim 1 wherein said upper and loWer clamping sections each have a pair of bosses, the bosses in the upper section having transverse apertures therethrough and the bosses on the lower section having threaded apertures therein, the apertures in the upper and lower sections being in alignment, a screw extending thru each of the bosses for clamping the two sections together.
Claim 4
Dependent Claim
37 words
The device according to claim 2 wherein the upper sections are provided with an integrally formed, downwardly extending triangularlike apron for insertion between the inner edge of the tire rim and the lower sidewall of the tire.
Claim 5
Dependent Claim
55 words
The device according to claim 3 wherein the lower section of the rear clamp is provided with a headed pin, and one of said latching means comprises an elongated plate having a keyhole slot positioned medially therein for reception of said headed pin to secure one side of said traction device to said vehicle rim.
Claim 6
Dependent Claim
24 words
The device according to claim 4 wherein each of the bosses on said front lower section has a bore and a slot communicating therewith.
Claim 7
Dependent Claim
84 words
The device of claim 5 wherein the latching means on the free end of said other section is anchored to an inverted L-shaped plate, said plate having integral pins extending outwardly from the upper edges of said plate for latching engagement in said bores, an offset socket on side end of said plate and an outwardly projecting ear on the side opposed to said socket having a rotatable locking plate thereon to secure said plate and tire chain in operative position on said tire.
Claim 8
Dependent Claim
133 words
The device according to claim 5 wherein the latching means on the free end of said other section is an elongated bar having one end attached to said section, a pair of toggles comprising a pair of links, one comprising a trapezium-shaped stamping of U-shaped cross section pivoted at its apex to the free end of said bar, the second link pivotally attached at one end, adjacent the base of said first link, a clip anchored at one end to the lug of the wheel and at the other end pivotally anchoring the free end of said second link, a socket on said first link adjacent the base thereof for shifting the links to secure the latching means and tire chain in operative position, and means to lock said links in operative position.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |