Patent US4231144A successfully refreshed from Google Patents.
US4231144A
Expired / Lapsed
US
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Method of converting a van-type vehicle to a multi-passenger commercial transportation vehicle
Assignee: NATIONAL CUSTOM VAN CORP
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Filing: 1979-01-31
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Granted: 1980-11-04
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Expires: 1999-01-31
Abstract
Abstract A method for converting a standard, production van-type vehicle to a multi-passenger commercial transportation vehicle whereby the chassis body, front passenger door and roof of a production van-type vehicle are transformed to a new commercial multi-passenger vehicle which is convenient to board and unboard under driver control, which permits upright passenger mobility, and which at the same time is structurally secure.
Inventors
- 👤 George Bernacchia, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:46
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/42; B60P3/423; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49716; Y10T29/49789; Y10T29/49794; Y10T29/49815; Y10T29/49821; Y10T29/49826
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
346 words
A method of converting a van-type vehicle to a multi-passenger commercial transportation vehicle, said vehicle having front and rear wheels, a chassis mounted on said wheels carrying a vehicle body and having two or more longitudinally extending support members, said vehicle body having a driver door, and a passenger door adjacent the front seats of said vehicle, and an auxiliary cargo door and cargo door entrance way on one side of said vehicle behind either of said driver or said passenger door, comprising the steps of: (a) cutting, in a plane substantially transverse of said longitudinal support members, both said chassis and said vehicle body into a forward section and a rear section, said plane lying between the forward and rear wheels of the vehicle; (b) separating longitudinally said forward and rear sections; (c) attaching coaxially a chassis extension support member between the forward and rear sections of each said longitudinal support member; (d) cutting off the roof portion of said vehicle body along the periphery of the upper vehicle body; (e) attaching an upwardly enlarged roof portion to said vehicle body along said periphery; (f) attaching fixed side wall members, flush with the side walls of said forward and rear sections, to said cargo door entrance and to said vehicle body on either side thereof and fitted to extend between said forward and rear sections; (g) removing said passenger's seat and attaching a step well means to said vehicle frame adjacent said passenger door and forming a continuation of the passenger door opening for permitting step up into said vehicle; (h) forming a roof cutout extending partially upward from said periphery in said roof portion in the area above said step well means as a continuation of the passenger door opening to provide uninhibited passenger boarding and unboarding to and from said vehicle; (i) providing door extension means on the upper and lower ends of said passenger door for closing said passenger door opening when said door is closed; and (j) attaching door opening means operable from the driver's seat for opening said passenger door.
Claim 2
Independent Claim
346 words
A method of converting a van-type vehicle to a multi-passenger commercial transportation vehicle, said vehicle having front and rear wheels, a chassis mounted on said wheels carrying a vehicle body and having two or more longitudinally extending support members, said vehicle body having a driver door, and a passenger door adjacent the front seats of said vehicle, and an auxiliary cargo door and cargo door entrance way on one side of said vehicle behind either of said driver or said passenger door, comprising the steps of: (a) cutting, in a plane substantially transverse of said longitudinal support members, both said chassis and said vehicle body into a forward section and a rear section, said plane lying between the forward and rear wheels of the vehicle; (b) separating longitudinally said forward and rear sections; (c) attaching coaxially a chassis extension support member between the forward and rear sections of each said longitudinal support member; (d) cutting off the roof portion of said vehicle body along the periphery of the upper vehicle body; (e) attaching an upwardly enlarged roof portion to said vehicle body along said periphery; (f) attaching fixed side wall members, flush with the side walls of said forward and rear sections, to said cargo door entrance and to said vehicle body on either side thereof and fitted to extend between said forward and rear sections; (g) removing said passenger's seat and attaching a step well means to said vehicle frame adjacent said passenger door and forming a continuation of the passenger door opening for permitting step up into said vehicle; (h) forming a roof cutout extending partially upward from said periphery in said roof portion in the area above said step well means as a continuation of the passenger door opening to provide uninhibited passenger boarding and unboarding to and from said vehicle; (i) providing door extension means on the upper and lower ends of said passenger door for closing said passenger door opening when said door is closed; and (j) attaching door opening means operable from the driver's seat for opening said passenger door.
Claim 3
Dependent Claim
20 words
A method according to claim 1, wherein said plane of cutting is directly behind the front doors of said vehicle.
Claim 4
Dependent Claim
80 words
A method according to claim 2, wherein said vehicle body includes a standard side panel member on the side of said vehicle opposite said cargo door and forming part of the side wall of said vehicle, said forward and rear sections are separated a distance approximately equal to the width of said standard member, and a standard side panel member is attached to said vehicle body on either side thereof and fitted to extend between said forward and rear sections.
Claim 5
Dependent Claim
15 words
A method according to claim 2 or 3, wherein said cargo door is welded shut.
Claim 6
Dependent Claim
27 words
A method according to claim 3, wherein said cargo door is removed, and replaced with a standard side panel member fitted into said cargo door entrance way.
Claim 7
Dependent Claim
60 words
A method according to claim 1, wherein the cut ends of the forward and rear sections of each longitudinal support member are fitted in an outer chassis extensive member adapted to receive said ends and an inner extension member, and an inner extension member is fitted to extend between said ends and be received in said outer chassis extension member.
Claim 8
Dependent Claim
17 words
A method according to claim 6, wherein said outer and inner chassis extension members are channel shaped.
Claim 9
Dependent Claim
37 words
A method according to claim 1, wherein an outer chassis extension member and an inner extension member are attached to the cut ends of the forward and rear sections of each longitudinal member on either side thereof.
Claim 10
Dependent Claim
36 words
A method according to claim 8, wherein said outer and inner chassis extension members are channel shaped, and said ends and said inner chassis extension member are adapted to be received in said outer extension member.
Claim 11
Dependent Claim
28 words
A method according to claim 9, wherein said chassis has two longitudinal support members, further comprising attaching one or more cross support members between said longitudinal support members.
Claim 12
Dependent Claim
35 words
A method according to claim 1, wherein the door opening means is a hand operated lever mechanism coupled to the door and having a handle within reach of the driver's seat for actuating the mechanism.
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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) | 1983-11-04 | 1984-05-05 | 1984-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-04 | 1988-05-05 | 1988-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-04 | 1992-05-05 | 1992-11-04 | $7700.00 | Window Closed / Lapsed |