US3942600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift truck with muffler in overhead guard
Assignee: Doosan Bobcat North America Inc
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Filing: 1974-11-27
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Granted: 1976-03-09
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Expires: 1994-11-27
Abstract
Abstract A lift truck in which the engine exhaust conduit extends upwardly along one side of the overhead safety guard and which is connected to a muffler extending transversely of the upper rear portion of the overhead guard and located in nested relation thereto.
Inventors
- 👤 Donald J. DePriester
- 👤 Neal J. Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:54
CPC Classifications
B; B60; B60K; B60K13/00; B60K13/04; B60Y; B60Y2200/00; B60Y2200/10; B60Y2200/15
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
94 words
In an industrial truck having an engine and an operator's compartment, an overhead guard extending over the operator's compartment, means forming a recess at the top rear portion of the guard which extends transversely of the guard, a muffler located in the recess being supported in said recess out of contact with the means which form the recess, a tail pipe extending upwardly along one side of the overhead guard to connect the one end of the muffler to the engine, and a muffler exhaust element located adjacent the opposite side of the guard.
Claim 2
Dependent Claim
94 words
In an industrial truck having an engine and an operator's compartment, an overhead guard extending over the operator's compartment, means forming a recess at the top rear portion of the guard which extends transversely of the guard, a muffler located in the recess being supported in said recess out of contact with the means which form the recess, a tail pipe extending upwardly along one side of the overhead guard to connect the one end of the muffler to the engine, and a muffler exhaust element located adjacent the opposite side of the guard.
Claim 3
Dependent Claim
23 words
A device as claimed in claim 1 wherein the means forming said recess substantially surround the muffler excepting at the rear side thereof.
Claim 4
Dependent Claim
50 words
A device as claimed in claim 2 wherein bracket means support the muffler within the means which defines the recess in such a manner that the muffler is held out of contact with the recess defining means thereby facilitating the circulation of cooling air in the vicinity of the muffler.
Claim 5
Dependent Claim
33 words
A device as claimed in claim 3 wherein said bracket means comprise a generally V or U-shaped element, the legs of which are secured to the muffler which nests at least partially therein.
Claim 6
Dependent Claim
15 words
A device as claimed in claim 2 wherein said recess forming means comprise wall means.
Claim 7
Dependent Claim
29 words
A device as claimed in claim 1 wherein the muffler is connected to rear supporting legs of the overhead guard by projections which extend into openings of said legs.
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) | 1979-03-09 | 1979-09-08 | 1980-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-09 | 1983-09-08 | 1984-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-09 | 1987-09-08 | 1988-03-09 | $7700.00 | Window Closed / Lapsed |