Land vehicles – Wheeled – Occupant propelled type
Patent
1987-02-18
1988-09-13
Pekar, John A.
Land vehicles
Wheeled
Occupant propelled type
280287, 180223, 403374, B62K 1300, B62K 1500
Patent
active
047704349
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention described herein relates to a vehicle consisting of two distinct and detachable sections.
It is common practice in the art field of transportation vehicles, motor-driven or otherwise, to embody different vehicles utilizing as great a number of common parts as possible. Such is the case, for example, with lightweight two- or three-wheelers, all of which derive in practical terms from a basic design appropriately adapted to meet a variety of user requirements.
Different versions of such vehicles as currently embodied reflect numerous modifications of the basic design; such embodiments are costly, and admit of no subsequent adaptation. Accordingly, the object of the invention disclosed is to overcome this drawback.
SUMMARY OF THE INVENTION
The stated object is realized in a vehicle as described and claimed herein, which consists in two distinct and detachable sections embodied in such a way that no alteration need be made to the basic design in order to produce different versions for general sale; an essential advantage of such a vehicle is that a variation on the basic design can be obtained by replacing the basic rear section complete, with a further rear section, similarly complete, such as possesses requisite features other than those of the basic design.
The advantage of such a feature is that a manufacturer may hold a stock of front sections ready for assembly, already fitted with a drive unit perhaps, and embody the rear sections according to custom or general market requirements.
Similar advantage is brought to purchasers by the feature in question: where the requirement may exist for two or more single vehicles that can be utilized separately for different purposes, the individual may purchase one front section to serve all of the various single vehicles, or, if already in possession of a number of such single vehicles, interchange the front section of one with that cf another, according to requirements, without in any way compromising the vehicles' availability for service. Again, where the user may be in possession of a variety of vehicles according to the invention, e.g. fitted with different drive units, dissimilar front sections can be interchanged temporarily in given instances in order to meet the requirements of the moment.
The basic facility of embodying a vehicle consisting in two fully distinct sections that can be detached one from the other also permits of embodying rear sections in special designs--i.e. designs that might be of limited sales potential where manufactured as an integral part of a purpose-built vehicle. The rear section might be designed as a tandem, for example, or carriage style with paired wheels and two seats arranged side by side, or with a truck body, or even as a sled with skids.
The prior art embraces folding bicycles featuring a frame divided into two sections that connect one with the other by way of a hinge and clamp; the two sections of such a frame are not fully distinct however, and associate permanently with parts common to both, namely, the rear brake linkage and the tail light circuit. What is more, the hinge and clamp are required to form a rigid connection in conjunction with respective flat flanges, integral with either section, that are offered flush one to the other; prevention of mislaignment aligment between the two sections thus falls almost entirely to the hinge, which is of necessity located to one side of the two connected flages and cannot therefore offer a total guarantee of faultless mutual positioning between the two sections.
By contrast, the two sections of a vehicle according to the invention are totally distinct, and connected together by way of matched components that lock together in full-frontal fashion, thereby affording marked strength and rigidity and allowing the embodiment of a solid, yet remarkably compact structure.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will now be described in detail by way of example with reference to the accompanying drawings, in which:
FIG. 1 is the
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