Post on 03-Jun-2018
8/12/2019 Seat Styling - Bezel Definition - Mech_Ergo
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Prepared by:
Development Group
October 2007
Bezel Definition, Mechanical and Ergonomic Concepts
Seat Styling Project
8/12/2019 Seat Styling - Bezel Definition - Mech_Ergo
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2Prepared B y:
Development Group at BICCM
Content
Introduction
Muscle groups
• Small M.G
• Large M.G• Range of Movement
Zone of comfort
Movement to operate
• Pivot point
• Translation
• Classic lever
• Car handle
• Multi functions
• Ideations
Next steps
Questions
8/12/2019 Seat Styling - Bezel Definition - Mech_Ergo
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Introduction
New bezel design is considering the application from an
ergonomic perspective. Ergonomic principals and
mechanical requirements are key aspects in the concept
development stage.
• Analysis of bezel usage
• Human factor
• Mechanical advantages
• New direction based on ergonomics
8/12/2019 Seat Styling - Bezel Definition - Mech_Ergo
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Finger type operation
Muscle groups
Small Muscle groups
Small muscle groups:
•Specialized muscles that are responsible for
fine movements;
•Smaller-sized muscles used for detailed
operations that do not require high strength;
•High-strength tasks can cause strain – risk
of injury;
•Sensible and fragile.
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Muscle groups
Large Muscle groups
Deltoid
Triceps
Large muscle groups:•Large muscles that are responsible for greater
movements;
•Required for high strength operations;
•Natural way of applying heavy loads;
•Low risks of injury in range of forces considered
for this task.
Forearm
Biceps
Arm operation
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Muscle groupsRange of Movement
Wrist operation
Range of movement:
•Main focus: wrist joint
•Limited range of movement without increased
strain and discomfort on the joint;
•Limited amount of strength;•Common injuries to this area: carpal tunnel
syndrome.
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Zone of comfort
When seated, this is the mostnatural and comfortable location
for operation controls.
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Movement to operatePivot point
Rotation point
Direction of
movement
Switches on top, legrest
and lumbar
Switches
bellowlever
Backrest button for
easy manipulation
when in berthing
position
Lever
Direction of
movement
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Movement to operate
Translation
Translation
movement
Switches
top mounted
Switches
front mounted
Powered
assist lever
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Movement to operate
Classic lever
Lift
to operate
Side mounted switches
for a thumb reach
Leather wrapedswitches
One piece bezel
Piping
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Movement to operate
Car handle
Outboard seat mounted
and outboard opening
Side view including
legrest and lumbar buttons
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Movement to operate
Multi functions
Legrest
Backrest
Tracking = both
upward
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Ideations
Flush face
Side
buttons
Up-down
movement
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Next steps