US4026349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cowl for an industrial electric truck
Assignee: Individual
•
Filing: 1976-03-15
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Granted: 1977-05-31
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Expires: 1996-03-15
Abstract
Abstract A cowl for an industrial electric truck formed in three compartments of which two are sealable and interconnected by conduits for conveying air therebetween. The first compartment is provided to contain the silicon controlled rectifier, the third is provided to contain the electro-mechanical equipment, and the interconnecting compartment provides protection for the legs, knees and feet of an operator. The walls of the cowl are formed of heat conducting material, and a fan is used to transfer cool air from the third to the first compartment to cool the SCR and to transfer hot air from the first to the third compartment to heat the electro-mechanical equipment thus providing a cowl for use in a hostile environment.
Inventors
- 👤 Robert E. Schaap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:13
CPC Classifications
B; B60; B60K; B60K1/00; B60K11/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
177 words
A cowl for an industrial truck comprising: a first compartment having an opening formed therein, said compartment having at least one side wall and said side wall having a hole and a slot formed therein; a first compartment cover removably attached to said first compartment over said opening for sealing said first compartment; a second compartment disposed adjacent said first compartment side wall; a third compartment spaced from said first compartment and disposed adjacent said second compartment, said third compartment having an opening formed therein and further having at least one third compartment side wall spaced from said first compartment side wall with said second compartment disposed therebetween, said third compartment side wall having a hole and a slot formed therein; a third compartment cover removably secured to said third compartment over said opening for sealing said third compartment; a first conduit interconnecting said first compartment and said third compartment at said holes; and a second conduit interconnecting said first compartment and said third compartment at said slots; said conduits provided to circulate air between said compartments.
Claim 2
Dependent Claim
177 words
A cowl for an industrial truck comprising: a first compartment having an opening formed therein, said compartment having at least one side wall and said side wall having a hole and a slot formed therein; a first compartment cover removably attached to said first compartment over said opening for sealing said first compartment; a second compartment disposed adjacent said first compartment side wall; a third compartment spaced from said first compartment and disposed adjacent said second compartment, said third compartment having an opening formed therein and further having at least one third compartment side wall spaced from said first compartment side wall with said second compartment disposed therebetween, said third compartment side wall having a hole and a slot formed therein; a third compartment cover removably secured to said third compartment over said opening for sealing said third compartment; a first conduit interconnecting said first compartment and said third compartment at said holes; and a second conduit interconnecting said first compartment and said third compartment at said slots; said conduits provided to circulate air between said compartments.
Claim 3
Dependent Claim
24 words
A cowl as defined in claim 1 and including a fan mounted in said third compartment for moving air therein to said first compartment.
Claim 4
Dependent Claim
20 words
A cowl as defined in claim 2 wherein said compartments are formed at least in part of heat conducting materials.
Claim 5
Dependent Claim
23 words
A cowl as defined in claim 1 including at least one passage formed through the sidewalls of both the first and third compartments.
Claim 6
Dependent Claim
14 words
A cowl as defined in claim 4 including sealing disposed around each said passage.
Claim 7
Dependent Claim
280 words
A cowl for an industrial truck having a wheel supported chassis, said cowl comprising: a front wall having a bottom end secured to the chassis and a top end projecting upwardly therefrom; spaced sidewalls, each secured on one end to said chassis and along an adjacent edge to said front wall; a top wall secured at its edges to said front wall and said side walls; a first compartment having an opening formed therein, said first compartment formed from a portion of said front wall, one of said side walls, a portion of said top wall, a first compartment side wall, and a first compartment base wall; said first compartment side wall having a slot and a hole formed therein and further at least one of said compartment walls having a sealable passage formed therethrough; a first compartment cover removably secured to said first compartment over said opening; a third compartment spaced from said first compartment and having an opening formed therein, said third compartment formed from another portion of said front wall, the other of said side walls, a portion of said top wall, a third compartment base wall and a third compartment side wall; said third compartment side wall having a slot and a hole formed therein and further at least one of said third compartment walls having a sealable passage formed therethrough; a third compartment cover removably secured over said third compartment opening; a second compartment disposed between said first and third compartments; a first conduit interconnecting said slots to form a passageway between said first and third compartments; and a second conduit interconnecting said slots to form a second passageway between said first and third compartments.
Claim 8
Dependent Claim
280 words
A cowl for an industrial truck having a wheel supported chassis, said cowl comprising: a front wall having a bottom end secured to the chassis and a top end projecting upwardly therefrom; spaced sidewalls, each secured on one end to said chassis and along an adjacent edge to said front wall; a top wall secured at its edges to said front wall and said side walls; a first compartment having an opening formed therein, said first compartment formed from a portion of said front wall, one of said side walls, a portion of said top wall, a first compartment side wall, and a first compartment base wall; said first compartment side wall having a slot and a hole formed therein and further at least one of said compartment walls having a sealable passage formed therethrough; a first compartment cover removably secured to said first compartment over said opening; a third compartment spaced from said first compartment and having an opening formed therein, said third compartment formed from another portion of said front wall, the other of said side walls, a portion of said top wall, a third compartment base wall and a third compartment side wall; said third compartment side wall having a slot and a hole formed therein and further at least one of said third compartment walls having a sealable passage formed therethrough; a third compartment cover removably secured over said third compartment opening; a second compartment disposed between said first and third compartments; a first conduit interconnecting said slots to form a passageway between said first and third compartments; and a second conduit interconnecting said slots to form a second passageway between said first and third compartments.
Claim 9
Dependent Claim
25 words
A cowl as defined in claim 6 and including a fan mounted in said third compartment for circulating air between said first and third compartments.
Claim 10
Dependent Claim
27 words
A cowl as defined in claim 7 wherein at least one of said walls of said first and third compartment is formed from a heat conductive material.
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) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |