Means and method for reducing the operative height of the fifth

Details Means and method for reducing the operative height of the fifth Means and method for reducing the operative height of the fifth

1985-06-28

1987-10-06

Love, John J.

Land vehicles: bodies and tops

Bodies

Structural detail

296 25, 280433, B62D 5308

Patent

active

046978445

ABSTRACT:
A means and method for reducing the operative height of the fifth wheel of a truck tractor as original equipment or by retroactively modifying a typical truck tractor frame. In retroactive modification an upper section of the framework supporting the fifth wheel is severed from the framework, the lower portion of this upper section is cut away and removed, and the upper section without the cut away portion is replaced on the original supporting framework. The upper section without the cut away portion is spliced to the fifth wheel framework by securing methods such as welding or securing apparatus. The securing apparatus can include an inner support which mateably fits interiorly between the upper section and fifth wheel framework to restore section modulus and strength. An outer securing support which includes a rigid plate can be secured between the upper section and fifth wheel framework. Additionally, support plates can be secured between the upper section and fifth wheel framework at spaced-apart positions along the splice line. The means and method of the invention thus serve to reduce the height of the fifth wheel on the truck tractor framework while insuring sufficient frame strength.

REFERENCES:
patent: 2918302 (1959-12-01), Hartenstine
patent: 3580611 (1971-05-01), McNitt
patent: 3802716 (1974-04-01), Wiers

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