Design Three Dimensionally Adustable Head Rest (TDAHR) For Car Seats

Muhammad Hanafi , Chee Pi (2007) Design Three Dimensionally Adustable Head Rest (TDAHR) For Car Seats. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this study is to investigate and design the new Head Rest. The parameters measured from the test head rest are strength, tensile and safety. The purpose of this study is also to design three dimensionally adjustable head rest (TDAHR). In an automobile, the headrest is a device attached to the top of the seat behind the occupant's head. Headrests are featured mainly for comfort as well as safety, as they can break the backlash movement of the occupant's head during a collision; thus preventing potentially fatal neck injury. Headrests became a common safety feature in most automobiles during the 1970s. Today, most headrests are cushioned for comfort, height adjustable and most commonly fini shed in the same material as the rest of the seat. Correct vertical adjustment of head rests reduces the risk of soft tissue neck and back injury during a rear-end crash. Whiplash or soft-tissue injuries, defined as a sprain of the neck or back, account for approximately 70% of all injuries reported annually. ICBC surveys show that about 60% of vehicles on the road have improperly adj usted head rests. The current headrest is design to protect the head and neck injury. However this device should be innovating to make the consumer fell more comfortable will drive and needs more ergonomic. The current headrest just can adjustable upward and downward only. Some easy automate mechanism should be implemented to improve the current product. As summary, 1 will produce the new three dimensionally adjustable head rest (TDAHR) for car seats that will help the consumer and improve the existing product.

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