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US3869028A Expired / Lapsed US ⏱️ 0.0 years remaining

Dolly using a warm-kept battery as its driving power source

Assignee: Mitsubishi Heavy Industries Ltd
•
Filing: 1973-11-02
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Granted: 1975-03-04
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Expires: 1993-11-02
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Abstract

Abstract A dolly using a warm-kept battery as its driving power source is described, which comprises a member for loading thereon an article to be conveyed and a shoe for feeding a required electric power from a trolley, and which is adapted to run along equipped rails for conveying said article, said dolly being characterized in that it is provided with a battery serving as a driving power source for said dolly which battery is covered by a heat insulating material and includes a heater associated with a thermostat and heated by an electric power fed from said trolley through said shoe, and plug portions which can be detachably engaged with members for forcibly discharging hydrogen gas produced upon charging said battery.

Inventors

  • 👤 Yuji Sawada
  • 👤 Katsumi Takemoto
  • 👤 Yasuro Maruoka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:16
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/06; B65G1/065; H; H01; H01M; H01M10/00; H01M10/42; H01M10/60; H01M10/61; H01M10/615; H01M10/65; H01M10/658; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 117 words
A dolly using a warm-kept battery as its driving power source, which comprises a member for loading thereon an article to be conveyed and a shoe for feeding a required electric power from a trolley, and which is adapted to run along equipped rails for conveying said article; characterized in that said dolly is provided with a battery serving as a driving power source for said dolly which battery is covered by a heat insulating material and includes a heater associated with a thermostat and heated by an electric power fed from said trolley through said shoe, and plug portions which can be detachably engaged with members foR forcibly discharging hydrogen gas produced upon charging said battery.
Claim 2
Dependent Claim 117 words
A dolly using a warm-kept battery as its driving power source, which comprises a member for loading thereon an article to be conveyed and a shoe for feeding a required electric power from a trolley, and which is adapted to run along equipped rails for conveying said article; characterized in that said dolly is provided with a battery serving as a driving power source for said dolly which battery is covered by a heat insulating material and includes a heater associated with a thermostat and heated by an electric power fed from said trolley through said shoe, and plug portions which can be detachably engaged with members foR forcibly discharging hydrogen gas produced upon charging said battery.

References Cited (Backward Citations)

US3169733A Cited
US3469072A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-03-03 1978-09-02 1979-03-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-03-03 1982-09-02 1983-03-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-03-03 1986-09-02 1987-03-04 $7700.00 Window Closed / Lapsed

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