Land vehicles – Wheeled – Extensible
Patent
1987-03-20
1988-08-23
Love, John J.
Land vehicles
Wheeled
Extensible
280 4324, 280641, 280645, B62B 104
Patent
active
047656425
ABSTRACT:
A vertically storable trailer embodying a flat, triangular frame has mounted thereon a container bottom for receiving a load and a container top that is sealingly and lockably engageable with the bottom for securely enclosing the load. The top and bottom have outwardly sloping forward and side walls to permit nestably storing the top in an inverted position within the bottom to reduce trailer storage space and a rearwardly facing flat end wall of the bottom is normal to the frame to facilitate tilting the trailer thereon to reduce floor storage area requirements. Wheel suspension assemblies include a pair of tubes, one end of each tube being pendulously attached to the frame adjacent either side of the container bottom. A wheel is rotatably journalled to an axle affixed to each tube adjacent its free end and within the free end is mounted a shock-absorbing resilient load sustaining unit. A suspension support is pivotally attached to the frame on either side of the container bottom in releasably engageable relation with a bearing of each load sustaining unit for locking same in an operable position to provide ground engagement of the wheel with a predetermined road clearance and releasing the locked load sustaining unit automatically by means of a ground contacting pushrod when the trailer is tilted onto the end wall. When released, the suspension assemblies swing inwardly of the frame to minimize trailer storage space.
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patent: 2495449 (1950-01-01), Francis
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patent: 2774606 (1956-12-01), Burweger et al.
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patent: 2809046 (1957-10-01), Andersson
patent: 2809048 (1957-10-01), Kytola
patent: 2869887 (1959-01-01), Westberg
patent: 2885216 (1959-05-01), Browning
patent: 3367675 (1968-02-01), Gearin
patent: 4480851 (1984-11-01), St. Pierre
Culbreth Eric
Love John J.
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