A trigger mechanism (10) for an active headrest system comprises a support member (11) configured to support upholstery of a seat back (2) of a vehicle seat (1) and a coupling arrangement (13) affixed to the support member (11). The support member (11) has...

A valve assembly (10) comprises a housing (20, 22, 23) and a plurality of valves (50) disposed within the housing (20, 22, 23). The housing has a layered body (21, 22) which comprises a first layer (21) and a second layer (22), which in combination define ...

A support assembly having a first support region with adjustable degree of support and a second support region with adjustable degree of support for use in a seat structure is provided. The support assembly comprises a support member for incorporation into...

A diaphragm pump (5) for a seat adjusting device comprises a diaphragm (12) and a valve member (13, 14) which define a pump chamber (40) therebetween. An inlet valve (41) and an outlet valve (42) are formed on the valve member (13, 14). A pressure chamber ...

An adjusting device for a seat comprises at least one fluid chamber (2, 3) and a valve assembly (15) in fluid communication with the fluid chamber (2, 3). Each fluid chamber (2, 3) is configured to be installed in the seat (1) to adjust at least a portion ...

An adjusting device (3) for a lumbar support comprises a pair of spaced guide members (4, 5), an adjusting member (14) coupled to the pair of guide members (4, 5), and a drive mechanism (30, 40) for effecting an adjustment of the lumbar support. The adjust...