US3782787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction stud assembly for snowmobiles
Assignee: Individual
•
Filing: 1972-01-10
•
Granted: 1974-01-01
•
Expires: 1992-01-10
Abstract
Abstract Traction stud assemblies for snowmobile belt include a pair of spaced parallel studs rigidly connected at one end to a common flat support plate. The studs are threaded to serve both as mounting as well as traction elements.
Inventors
- 👤 E Rubel
- 👤 F Martin
- 👤 R Rubel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:58
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24; B62D55/244
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
59 words
A traction device having a flat support plate and a pair of elongated studs rigidly connected to the plate and projecting therefrom in parallel spaced relation, each of said studs having a free end terminating in a point, an intermediate region of each stud between the point and the plate being threaded so as to constitute a bolt length.
Claim 2
Dependent Claim
59 words
A traction device having a flat support plate and a pair of elongated studs rigidly connected to the plate and projecting therefrom in parallel spaced relation, each of said studs having a free end terminating in a point, an intermediate region of each stud between the point and the plate being threaded so as to constitute a bolt length.
Claim 3
Dependent Claim
87 words
In a traction stud assembly for connection to a snowmobile belt to improve traction of the snowmobile in icy conditions, a traction stud unit including a flat support plate and a plurality of elongated studs rigidly connected to the plate and projecting therefrom in parallel spaced relation, each of said studs having a free end terminating in a point and at least a pair of said studs having an intermediate length region between the plate and the point threaded so as to constitute a pair of bolts.
Claim 4
Dependent Claim
87 words
In a traction stud assembly for connection to a snowmobile belt to improve traction of the snowmobile in icy conditions, a traction stud unit including a flat support plate and a plurality of elongated studs rigidly connected to the plate and projecting therefrom in parallel spaced relation, each of said studs having a free end terminating in a point and at least a pair of said studs having an intermediate length region between the plate and the point threaded so as to constitute a pair of bolts.
Claim 5
Dependent Claim
53 words
In a traction stud assembly in accordance with claim 2 wherein said studs each extend through said plate, said studs each having a flat head of a diameter greater than the diameter of the main length portion thereof welded to said plate on the side thereof remote from the point of the stud.
Claim 6
Dependent Claim
78 words
In a snowmobile belt traction stud assembly, a flat plate for engagement with the inside surface of the belt, a pair of elongated studs rigidly connected to the plate to project therefrom through and beyond the belt in parallel spaced apart relation, each of said studs having a free end of reduced diameter for penetrating hard surfaces and a threaded intermediate length region constituting a bolt length whereby said studs each constitute combined mounting and surface traction elements.
Claim 7
Dependent Claim
78 words
In a snowmobile belt traction stud assembly, a flat plate for engagement with the inside surface of the belt, a pair of elongated studs rigidly connected to the plate to project therefrom through and beyond the belt in parallel spaced apart relation, each of said studs having a free end of reduced diameter for penetrating hard surfaces and a threaded intermediate length region constituting a bolt length whereby said studs each constitute combined mounting and surface traction elements.
Claim 8
Dependent Claim
22 words
In a snowmobile belt stud assembly in accordance with claim 4 wherein said studs each project approximately 1 inch from the plate.
Claim 9
Dependent Claim
50 words
In an snowmobile belt stud assembly in accordance with claim 5 wherein the free end of each of said studs includes a termination cone-shaped length region extending approximately 1/8 inch and a smooth cylindrical length region extending approximately 1/8 inch between the cone-shaped length region and the threaded length region.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |