Patent US3966220A successfully refreshed from Google Patents.
US3966220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable length vehicle
Assignee: Individual
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Filing: 1974-01-07
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Granted: 1976-06-29
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Expires: 1994-01-07
Abstract
Abstract Transportation Apparatus is disclosed herein involving a system whereby small electrically driven vehicles are carried in a transporter vehicle. A loader is movably mounted on the transporter for loading and unloading the small vehicles onto the transporter in selected storage spaces. Each small vehicle is provided with a telescoping frame for shortening the wheelbase for storage purposes and for extending the wheelbase for independent vehicle operation on surface roadways. The transporter vehicle and small electrically driven passenger vehicles are adapted to operate combined on, or independently use in common, traffic arteries such as highways or expressways and surface streets.
Inventors
- 👤 Robert W. Forsyth
- 👤 John P. Forsyth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:11
CPC Classifications
B; B62; B62D; B62D21/00; B62D21/14; B60; B60P; B60P3/00; B60P3/06; B60P3/07; B62D31/00; B62D31/003; B62D31/006
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
271 words
In a passenger vehicle having an adjustable variable length wheelbase, the combination comprising: an elongated frame; said frame having a rear portion operably supporting the rear wheels of said vehicle and a movable forward portion carried in slidable relationship on said rear portion for operably supporting the front wheels of said vehicle; a body carried on said frame having a portion thereof movable with said forward frame portion in response to movement of said forward frame portion with respect to said rear frame portion; means interconnecting said forward frame portion with rear frame portion for limiting the extension and retraction of said front frame portion including said front body portion with respect to said rear frame portion; steering means interconnecting said rear frame portion with said front frame portion operable to lengthen and shorten respectively following the movement of said front frame portion with respect to said rear frame portion and wherein said steering means includes a splined shaft sleeve carried on said rear frame portion and an externally splined shaft carried on said front frame portion in slidably fitted relationship with said sleeve so as to be operable to relatively move in a fore and aft manner as said elongated frame portions extend and retract while allowing rotation of said sleeve and said shaft for simultaneous steering of said front wheels; and power means operably interconnecting said rear portion and said forward portion for slidably moving said forward portion away from and towards said rear portion for simultaneously moving said front frame portion with respect to said rear portion and moving said steering shaft with respect to said steering sleeve.
Claim 2
Dependent Claim
271 words
In a passenger vehicle having an adjustable variable length wheelbase, the combination comprising: an elongated frame; said frame having a rear portion operably supporting the rear wheels of said vehicle and a movable forward portion carried in slidable relationship on said rear portion for operably supporting the front wheels of said vehicle; a body carried on said frame having a portion thereof movable with said forward frame portion in response to movement of said forward frame portion with respect to said rear frame portion; means interconnecting said forward frame portion with rear frame portion for limiting the extension and retraction of said front frame portion including said front body portion with respect to said rear frame portion; steering means interconnecting said rear frame portion with said front frame portion operable to lengthen and shorten respectively following the movement of said front frame portion with respect to said rear frame portion and wherein said steering means includes a splined shaft sleeve carried on said rear frame portion and an externally splined shaft carried on said front frame portion in slidably fitted relationship with said sleeve so as to be operable to relatively move in a fore and aft manner as said elongated frame portions extend and retract while allowing rotation of said sleeve and said shaft for simultaneous steering of said front wheels; and power means operably interconnecting said rear portion and said forward portion for slidably moving said forward portion away from and towards said rear portion for simultaneously moving said front frame portion with respect to said rear portion and moving said steering shaft with respect to said steering sleeve.
Claim 3
Dependent Claim
60 words
The invention as defined in claim 1 wherein said power means interconnecting said rear and said forward portion includes a rotatable shaft transversely carried on said rear portion and having a pinion gears carried on the opposite ends of said shaft; said forward portion having parallel side rails carrying linear gear teeth engaged in driving relationship with said pinion gears.
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) | 1979-06-29 | 1979-12-29 | 1980-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-29 | 1983-12-29 | 1984-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-29 | 1987-12-29 | 1988-06-29 | $7700.00 | Window Closed / Lapsed |