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.

 

 

 

 

Patented Hinge Mechanism
Patent No. 6,389,629
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