Patent US4252495A successfully refreshed from Google Patents.
US4252495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical handling apparatus
Assignee: Total Mechanical Handling Ltd
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Filing: 1976-08-09
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Granted: 1981-02-24
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Expires: 1996-08-09
Abstract
Abstract Mechanical handling equipment comprises a lift truck and a self powered pallet truck which is lifted into a trailer, etc. to be loaded by the lift truck with the load. The pallet truck is then remotely controlled by the lift truck driver to position the load at a desired location in the trailer.
Inventors
- 👤 Kenneth Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:25
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/122; B66F9/20; B66F9/205
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
163 words
Mechanical handling equipment comprising: a material handling truck; a lift truck adapted, constructed and arranged to lift the material handling truck and a load together from the ground and to position the material handling truck and the load on an elevated surface with the load supported on the material handling truck; powering means including a first self-contained energy source carried by said lift truck, self-powering means including a second self-contained energy source carried by said material handling truck, the energy source carried by said material handling truck being electrically controlled and being independent of the energy source carried by said lift truck, a control box carried by said lift truck, and flexible electrical cable means connecting said control box to the controls for the self-contained energy source on said material handling truck to control from said lift truck the operation of said self-powering means by the self-contained energy source on the material handling truck when the latter is separated from said lift truck.
Claim 2
Dependent Claim
163 words
Mechanical handling equipment comprising: a material handling truck; a lift truck adapted, constructed and arranged to lift the material handling truck and a load together from the ground and to position the material handling truck and the load on an elevated surface with the load supported on the material handling truck; powering means including a first self-contained energy source carried by said lift truck, self-powering means including a second self-contained energy source carried by said material handling truck, the energy source carried by said material handling truck being electrically controlled and being independent of the energy source carried by said lift truck, a control box carried by said lift truck, and flexible electrical cable means connecting said control box to the controls for the self-contained energy source on said material handling truck to control from said lift truck the operation of said self-powering means by the self-contained energy source on the material handling truck when the latter is separated from said lift truck.
Claim 3
Dependent Claim
41 words
Mechanical handling equipment according to claim 1 wherein control means are additionally provided on the materials handling truck to permit control of the self-powering means of the materials handling truck by an operator standing on or near the materials handling truck.
Claim 4
Dependent Claim
32 words
Mechanical handling equipment according to claim 1 wherein the lift truck is a fork lift truck the forks of which support the load during lifting of the materials handling truck and load.
Claim 5
Dependent Claim
47 words
Mechanical handling equipment according to claim 1 wherein the lift truck has a lift carriage on which the materials handling truck may be mounted in such a manner that during lifting of the materials handling truck and load, the load is supported on the materials handling truck.
Claim 6
Dependent Claim
18 words
Mechanical handling equipment according to claim 1 wherein the materials handling truck is a battery powered pallet truck.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-24 | 1984-08-25 | 1985-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-24 | 1988-08-25 | 1989-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-24 | 1992-08-25 | 1993-02-24 | $7700.00 | Window Closed / Lapsed |