Patented Hinge Mechanism
Patent No. 6,389,629
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The essence of the HT Series is found in the patented interlocking
hinge. Unique to the ramp industry, the HT Hinge allows for a light-weight,
durable product, which provides ease of storage and gained security to the
user’s investment. The advanced hinge design by far exceeds the limitations
of the average ramp.