with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction

Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices > with liquid piston brakes > with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction

Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices (construction of non-pneumatic or non-liquid braking devices E05F5/00; friction devices in hinges E05D11/08) > with liquid piston brakes (rotary type E05F3/14) > with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction