(under subclass 145) Apparatus including an aperture or a membranous element to allow the pressurized fluid to escape at a controlled rate from the hydraulic tensioning device.
SEE OR SEARCH CLASS
91, Motors, Expansible Chambers Type,
168, for the control of a motive fluid for a one working member in response to the position of the second; subclasses 449+ for a motive fluid valve including plural separately controlled waste passages for a single working member.
137, Fluid Handling,
596+, for a supply and exhaust fluid handling systems; subclasses 599+ for a system dividing into parallel flow paths with recombining. [figure] [caption]A - Cross plate; B - Track adjusting cylinder; C - Piston seal; D - Piston; E - Discharge opening; F - Piston chamber; G - Piston chamber floor; H - Safety or relief valve; J - Body sleeve; K - Integral head;L - Axial inlet passage; M - Side part; N - Ball forms second valve element