Patent US3955851A successfully refreshed from Google Patents.
US3955851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stopper device for use in dump truck's vessel
Assignee: Komatsu Ltd
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Filing: 1974-07-08
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Granted: 1976-05-11
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Expires: 1994-07-08
Abstract
Abstract A stopper device for a vessel of a dump truck comprises a wire rope connected to the rear end portion of the vessel and having a ring formed at the free end thereof. A retaining member projects from a rear axle tube and is adapted to be engageable with and disengageable from the ring, whereby the weight of the stopper is significantly reduced and the vessel can be easily held at a rearwardly tilted position when required.
Inventors
- 👤 Haruhiko Umeda
- 👤 Katsuyoshi Mori
- 👤 Kyozo Sendai
- 👤 Isao Ikeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:06
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/28; B60P1/283
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
83 words
In combination, a vessel tiltably mounted on a dump truck and a stopper device comprising a wire rope coupled to the rear end portion of the vessel, said rope having a ring formed at the free end thereof, and a retaining means projecting from a rear axle housing on said truck, said retaining means engaging said ring to tension said rope and thereby hold said vessel in a fully tilted position, said rope preventing said vessel from moving from said fully tilted position.
Claim 2
Dependent Claim
83 words
In combination, a vessel tiltably mounted on a dump truck and a stopper device comprising a wire rope coupled to the rear end portion of the vessel, said rope having a ring formed at the free end thereof, and a retaining means projecting from a rear axle housing on said truck, said retaining means engaging said ring to tension said rope and thereby hold said vessel in a fully tilted position, said rope preventing said vessel from moving from said fully tilted position.
Claim 3
Dependent Claim
13 words
The stopper device of claim 1, wherein said retaining means is a hook.
Claim 4
Dependent Claim
29 words
The stopper device of claim 1, wherein said rope has a ring formed at the end coupled to said vessel, said ring engaging a retaining member on said vessel.
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) | 1979-05-11 | 1979-11-10 | 1980-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-11 | 1983-11-10 | 1984-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-11 | 1987-11-10 | 1988-05-11 | $7700.00 | Window Closed / Lapsed |