Slide-out Patent awarded

Tuesday, January 17, 2006

Slide-out mechanisms and systems. C. Martin Rasmussen, Fruit Heights. Assigned to Happijac Co., Kaysville. Filed March 5, 2004, claiming priority to provisional patent Application No. 60/452,247, filed March 5, 2003. Patent No. 6,976,721.

New scientific studies released on camper restraint requirements and Happijac efficiency

October, 2002

A recent series of independent, illustrated engineering studies by Dr. Spencer Magleby, Ph.D. were recently released offering an objective look at how a camper may move and the physical forces required to restrain those movements. These studies are a must read for anyone who is serious about controlling all of the potential camper movements that any effective tiedown system must address.

Download study..

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