F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 9/02 (2006.01) F16F 9/46 (2006.01) A47C 7/02 (2006.01)
Patent
CA 2485417
An adjustable-length compression spring comprises a casing filled with pressure fluid. A piston rod is sealingly extended through a guide and seal unit which closes the casing, a piston, which is sealingly guided therein, being joined to the piston rod. The piston divides the casing into two sectional casing chambers, which are filled with pressure fluid. For connection to each other of the sectional casing chambers, provision is made for a valve operated by a valve pin. The casing includes a locking mechanism which comprises a first and a second locking element, the first of which being in pushing connection with a first operating element and the second with the valve pin. They cooperate in the way of a retractable-ballpoint-pen mechanism so that, in a first position of locking, the valve pin takes a position of release with free connection between the sectional casing chambers and, in a second position of locking, it takes a position of blocking with any connection between the sectional casing chambers being shut off. This type of integrated locking mechanism can be made solid, nevertheless needing little space.
Marks & Clerk
Suspa Holding Gmbh
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