Damper for suspension in a car has a sleeve surrounding the compression chamber with parallel slots in its external wall that can be aligned with the ones on the compression chamber by action on the button

摘要

Damper (1) uses a body (16) housing a compression chamber with the sliding piston (3) attached to the rod (2). The compression chamber wall has many bores (9a-e'). A sleeve (11) is surrounding the compression chamber. The sleeve has parallel slots (13a-e) in its external wall that can be aligned with the ones on the compression chamber by action on the button (15)