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Patent US3604763A successfully refreshed from Google Patents.
US3604763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless track for track-laying vehicles
Assignee: Individual
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Filing: 1969-06-27
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Granted: 1971-09-14
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Expires: 1989-06-27
Abstract
Abstract An endless track for track-laying vehicles having pairs of tire wheels on each side thereof, the endless track consisting of three endless belts interconnected by rigid cross links having a pair of curved portions to receive the tires of a tire wheel, and an inwardly extending V-shaped track guard engaging the inner sides of the tires to prevent the endless track from coming off the tire wheels.
Inventors
- 👤 John C Maguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:32
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
115 words
In an endless track vehicle having series of pairs of spaced tire wheels engaging an endless track, each endless track comprising a pair of spaced substantially parallel rubberlike endless flexible belts, and rigid cross links spacedly disposed longitudinally of said belts and having their ends secured to said belts, and a single track guide secured to said links substantially centrally thereof and protruding in the space between said pairs of tire wheels, said cross links having longitudinally curved portions on each side of said track guide for mating engagement with said tire wheels, said track guide being substantially V-shaped with the apex directed away from the links and being a continuation of said curved portions.
Claim 2
Dependent Claim
115 words
In an endless track vehicle having series of pairs of spaced tire wheels engaging an endless track, each endless track comprising a pair of spaced substantially parallel rubberlike endless flexible belts, and rigid cross links spacedly disposed longitudinally of said belts and having their ends secured to said belts, and a single track guide secured to said links substantially centrally thereof and protruding in the space between said pairs of tire wheels, said cross links having longitudinally curved portions on each side of said track guide for mating engagement with said tire wheels, said track guide being substantially V-shaped with the apex directed away from the links and being a continuation of said curved portions.
Claim 3
Dependent Claim
54 words
In an endless track vehicle as claimed in claim 1, wherein said cross links have substantially coplanar ends to which said belts are secured and further including a bridge portion extending between said curved portions and across said track guide, and a third rubberlike flexible endless belt to which said bridge portions are secured.
Claim 4
Dependent Claim
35 words
In an endless track vehicle as claimed in claim 2, wherein said coplanar ends and said bridge portions are secured on the inside of the loops formed by said first-named and said third endless belts.
Claim 5
Dependent Claim
101 words
An endless track for track laying vehicles, comprising a pair of substantially parallel rubberlike flexible endlEss tracks and rigid cross links spacedly disposed longitudinally of said belts, each cross link comprising a rigid strip, of flat stock, having substantially coplanar ends secured to said belts, two spacedly longitudinally curved portions disposed on one side of the plane of said ends and a substantially V-shaped track guide disposed between said curved portions and on the other side of said plane with the apex directed away from said plane and the legs of said track guide forming a continuation of said curved portions.
Claim 6
Dependent Claim
101 words
An endless track for track laying vehicles, comprising a pair of substantially parallel rubberlike flexible endlEss tracks and rigid cross links spacedly disposed longitudinally of said belts, each cross link comprising a rigid strip, of flat stock, having substantially coplanar ends secured to said belts, two spacedly longitudinally curved portions disposed on one side of the plane of said ends and a substantially V-shaped track guide disposed between said curved portions and on the other side of said plane with the apex directed away from said plane and the legs of said track guide forming a continuation of said curved portions.
Claim 7
Dependent Claim
45 words
An endless track as claimed in claim 4, further including a bridge portion extending between, and secured to, said curved portions and disposed across the legs of said V-shaped track guide, and a third rubberlike flexible endless belt to which said bridge portion is secured.
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) | 1974-09-13 | 1975-03-15 | 1975-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-13 | 1979-03-15 | 1979-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-13 | 1983-03-15 | 1983-09-14 | $7700.00 | Window Closed / Lapsed |