Patent ID: 7150502

Claim:
A reclining seat comprising: a seat cushion; a seat back pivotally mounted to said seat cushion; first and second locking means arranged at both sides of said seat for securing said seat back relative to said seat cushion; and a supporting shaft interconnecting said first and second locking means; said supporting shaft being formed into a substantially cylindrical shape and having first and second end portions; said second end portion of said supporting shaft being formed into a substantially elliptical shape in cross-section and comprising a pair of flat wall sections spaced apart from each other and a pair of circular arc-shaped wall sections spaced apart from each other and interconnecting said flat wall sections; said first locking means including a first actuating shaft for facilitating selective securing of said seat back relative to said seat cushion; said second locking means including a second actuating shaft for facilitating selective securing of said seat back relative to said seat cushion; said first actuating shaft being rigidly or fixedly connected to said first end portion of said supporting shaft; said second actuating shaft having first and second end portions; said first end portion of said second actuating shaft having an axial portion and a pair of flange portions spaced apart from each other and protruding radially from said axial portion; and said first end portion of said second actuating shaft being received in said second end portion of said supporting shaft so that said second actuating shaft and said supporting shaft are rotatable by a predetermined angle relative to each other.