Patent US3776367A successfully refreshed from Google Patents.
US3776367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile aerial platform
Assignee: Fulton Industries Inc
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Filing: 1972-06-12
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Granted: 1973-12-04
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Expires: 1992-06-12
Abstract
Abstract A mobile aerial platform embodies a multi-section telescopic boom upon which a self-leveling operator platform is mounted. Hydraulic and electrical controls for the machine on the operator platform require the use of hydraulic hoses and electrical cables external to the boom and extending between the platform and the boom base section. A flexible hose and cable guidance, positioning and protecting track extends from the boom base section to the lower extremity of a rigid arm carried by the boom fly section and being substantially coextensive lengthwise therewith. The use of the arm reduces by approximately fifty per cent the required length of the flexible track which is very expensive. The arm also forms a support for a platform leveling cylinder.
Inventors
- 👤 J Grove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:53
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/12; B66F; B66F11/00; B66F11/04; B66F11/044; B66F11/046
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
115 words
In a machine having an extensible and retractable telescopic boom with hydraulic and electrical controls at the distal end of the boom and flexible hydraulic hoses and electrical cables external to the boom extending from the distal end toward the base of the boom, the improvement comprising a rigid arm secured to the distal end of the boom and extending reversely from the distal end for a substantial distance near one side of the boom, and a flexible non-sagging carrier track for the hoses and cables and receiving the hoses and cables therethrough in supported relation, the carrier track having opposite ends secured to the rigid arm and to the base portion of the boom.
Claim 2
Dependent Claim
115 words
In a machine having an extensible and retractable telescopic boom with hydraulic and electrical controls at the distal end of the boom and flexible hydraulic hoses and electrical cables external to the boom extending from the distal end toward the base of the boom, the improvement comprising a rigid arm secured to the distal end of the boom and extending reversely from the distal end for a substantial distance near one side of the boom, and a flexible non-sagging carrier track for the hoses and cables and receiving the hoses and cables therethrough in supported relation, the carrier track having opposite ends secured to the rigid arm and to the base portion of the boom.
Claim 3
Dependent Claim
54 words
The structure of claim 1, and the rigid arm comprising an elongate box-like member receiving the hoses and cables as the same emerge from the adjacent end of the carrier track, said adjacent end of the carrier track being secured to the interior of said box-like member at the lower end of said member.
Claim 4
Dependent Claim
43 words
The structure of claim 1, and a worker platform pivotally mounted on the rigid arm adjacent the boom distal end, and an automatic leveling cylinder for said platform having a pivotal connection with the platform and a second pivotal connection with said arm.
Claim 5
Dependent Claim
24 words
The structure of claim 1, and said rigid arm and carrier track for the hoses and cables being arranged exteriorly of the telescopic boom.
Claim 6
Dependent Claim
62 words
The structure of claim 4, and said rigid arm comprising a generally L-shaped arm having a short transverse portion adjacent the distal end of the boom and fixedly secured to said distal end, a worker platform pivotally supported on said transverse portion of the arm, and a leveling cylinder unit for the worker platform having a pivotal support point on said arm.
Claim 7
Dependent Claim
96 words
The structure of claim 1, and said machine comprising a mobile aerial platform and said telescopic boom including base, intermediate and fly sections, one end of the carrier track secured to the upper side of said base sEction near the outer end thereof, said rigid arm secured to the fly section near the outer end thereof and extending rearwardly along the fly section at the upper side thereof for substantially the entire length of the fly section, said rigid arm adapted to overlap the upper side of the boom base section when the boom is retracted.
Claim 8
Dependent Claim
88 words
The structure of claim 6, and a worker supporting platform carried by the boom fly section and said hydraulic and electrical controls being located on said platform, an automatic leveling cylinder means for said platform mounted on said rigid arm, and said flexible carrier track adapted to be laid down in a straight section on top of the boom base section when the boom is retracted, the carrier track being extended into a straight non-sagging section adjacent the boom intermediate section when the boom is substantially fully extended.
Claim 9
Dependent Claim
58 words
The structure of claim 7, and a side cover member on the boom base section for covering and protecting hoses and cables which emerge from the lower end of said carrier track where such lower end is attached to the base section, said hoses and cables extending downwardly along said one side of the base section exteriorly thereof.
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) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |