Multi-tiered system of leveller units
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United States of America Patent
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Jul 12, 1994
Grant Date -
N/A
app pub date -
Sep 18, 1992
filing date -
Sep 18, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A multi-tiered system of leveller units for the levelling of recreational vehicles. The leveller units each comprise a planar body, with upper and lower surfaces circumscribed by edges. The body of each unit bears a plurality of pins upwardly extending from spaced locations in the upper surface and has a plurality of pin-engaging pockets formed in the lower surface to matably receive corresponding pins of other similar units. The pins are of slightly smaller size than the corresponding pockets so that when the pins of one unit are associated with the pockets of another, there is provided a loose engagement therebetween. The body may be formed of a discontinuous webbing providing light-weight strength and support to the units to support the large loads placed thereupon.
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