US3977547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling apparatus
Assignee: Individual
•
Filing: 1974-03-26
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Granted: 1976-08-31
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Expires: 1994-03-26
Abstract
Abstract This invention relates to a material handling apparatus and, more particularly, to apparatus for use in industrial and excavating operations, wherein an articulated vehicle is associated with an accessory tool.
Inventors
- 👤 Vaino J. Holopainen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:58
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/42; B62; B62D; B62D49/00; B62D49/02; B62D53/00; B62D53/02; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/306; E02F3/32; E02F3/36; E02F3/38; E02F3/96; E02F3/963; E02F3/964; E02F9/00; E02F9/08; E02F9/0841
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
101 words
Material handling apparatus, comprising a. a vehicle consisting of a front wheeled portion and a rear wheeled portion joined for articulation about a vertical axis lying between the wheels, the rear wheeled portion having an operator's seat and controls, and b. a junction element mounted on the front wheeled portion in the vicinity of the said axis and consisting of two parts joined for relative rotation about an axis extending transversely of the vehicle and passing through the said vertical axis, one of the parts being connected to the vehicle and the other part being adapted to receive an accessory tool.
Claim 2
Dependent Claim
101 words
Material handling apparatus, comprising a. a vehicle consisting of a front wheeled portion and a rear wheeled portion joined for articulation about a vertical axis lying between the wheels, the rear wheeled portion having an operator's seat and controls, and b. a junction element mounted on the front wheeled portion in the vicinity of the said axis and consisting of two parts joined for relative rotation about an axis extending transversely of the vehicle and passing through the said vertical axis, one of the parts being connected to the vehicle and the other part being adapted to receive an accessory tool.
Claim 3
Dependent Claim
24 words
Material handling apparatus as recited in claim 1, wherein the accessoyr tool is an excavator consisting of a hydraulically-operated boom and dipper stick assembly.
Claim 4
Dependent Claim
27 words
Material handling apparatus as recited in claim 2, wherein the boom is telescopically extensible and is provided with an actuator lying within hollow elements of the boom.
Claim 5
Dependent Claim
20 words
Material handling apparatus as recited in claim 3, wherein a bucket is hingedly connected to the end of the assembly.
Claim 6
Dependent Claim
21 words
Material handling apparatus as recited in claim 2, wherein a loading bucket is connected to the outer end of the assembly.
Claim 7
Dependent Claim
36 words
Material handling apparatus as recited in claim 1, wherein the accessory tool is a derrick having a multi-section boom element wherein the sections are telescopically connected and provided with actuators for extending and contracting the boom.
Claim 8
Dependent Claim
34 words
Material handling apparatus as recited in claim 1, wherein the accessory tool is a loader having a wide bucket and having hydraulic actuators for changing the angularity of the bucket and for lifting it.
References Cited (Backward Citations)
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Cited
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US3430790A
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US3612310A
Cited
US3606048A
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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) | 1979-08-31 | 1980-03-01 | 1980-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-31 | 1984-03-01 | 1984-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-31 | 1988-03-01 | 1988-08-31 | $7700.00 | Window Closed / Lapsed |