Tiltable Patents (Class 297/354.1)
- Movable to a rear-horizontal position (Class 297/354.13)
- Full stroke adjusting mechanism (Class 297/356)
- Vertical displacement of back disengages holder (Class 297/357)
- Common actuator adjusts height and inclination (Class 297/358)
- Back-pivoted armrest carries latch or holder (Class 297/359)
- Mechanical operator tilts back fore and aft (Class 297/361.1)
- Axially slidable bolt or pawl (Class 297/363)
- Rack and pawl (Class 297/366)
- Serrated clamp hinge (Class 297/373)
- Friction detent (Class 297/374)
- Held by prop behind back (Class 297/377)