Patent US3578098A successfully refreshed from Google Patents.
US3578098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operator station and support
Assignee: Caterpillar Inc
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Filing: 1969-02-28
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Granted: 1971-05-11
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Expires: 1989-02-28
Abstract
Abstract A rigid support structure, formed as an integral part of a vehicle such as a large earthmoving machine. The structure incorporates the lower half of an operator''s station safety cab, the upper portion of the cab being removable therefrom.
Inventors
- 👤 Lawrence F Clancy
- 👤 Frank A Grooss
- 👤 Richard W Luttrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:01
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/16; E02F9/163; B; B60; B60R; B60R21/00; B60R21/02; B60R21/11; B62; B62D; B62D33/00; B62D33/06
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
58 words
A vehicle cab support structure comprising means for fixing the structure to the vehicle frame, means therein for supporting an operator''s console, means on said structure for supporting deck plates within the structure, means for supporting deck grates outside of the structure, and means thereon for supporting and fastening thereto a removable upper portion of a vehicle cab.
Claim 2
Dependent Claim
58 words
A vehicle cab support structure comprising means for fixing the structure to the vehicle frame, means therein for supporting an operator''s console, means on said structure for supporting deck plates within the structure, means for supporting deck grates outside of the structure, and means thereon for supporting and fastening thereto a removable upper portion of a vehicle cab.
Claim 3
Dependent Claim
109 words
In a vehicle cab, an upper portion and a lower portion, the upper portion being readily detachable from said lower portion, said lower portion containing means therein for supporting all of the operator''s control mechanisms and gauges, said upper and lower portions being so dimensional as to height that removal of said upper from said lower portion would tend to materially reduce the overall height of a vehicle to which the cab is attached and thereby facilitate shipment of the vehicle, and means on the lower portion for pressurizing the cab when the upper portion is mounted on the lower portion, thereby maintaining a dust-free environment within the cab.
Claim 4
Dependent Claim
109 words
In a vehicle cab, an upper portion and a lower portion, the upper portion being readily detachable from said lower portion, said lower portion containing means therein for supporting all of the operator''s control mechanisms and gauges, said upper and lower portions being so dimensional as to height that removal of said upper from said lower portion would tend to materially reduce the overall height of a vehicle to which the cab is attached and thereby facilitate shipment of the vehicle, and means on the lower portion for pressurizing the cab when the upper portion is mounted on the lower portion, thereby maintaining a dust-free environment within the cab.
Claim 5
Dependent Claim
25 words
The cab of claim 2 including an opening in the lower section whereby a two-section door may be fitted into the upper and lower portions.
Claim 6
Dependent Claim
20 words
The cab of claim 3 further including a two-section door fitted into said opening and movably attached to said cab.
Claim 7
Dependent Claim
43 words
The cab of claim 2 including structural means in the lower portion and fastened to the side and rear plates thereof, the structural means being of sufficient strength to support the cab as well as to withstand off-the-road operation vibration in the vehicle.
Claim 8
Dependent Claim
20 words
The cab of claim 2 including means in the lower portion integrally fixing the lower portion to the vehicle frame.
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) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |