F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 15/14 (2006.01) F16J 10/02 (2006.01)
Patent
CA 2261221
A cylinder includes a cylindrical casing, a cap mounted to the cylindrical casing, a retaining member, a mounting member and a piston rod assembly which is positioned in the interior of the cylindrical casing. The cylindrical casing includes a casing wall which extends along a longitudinal axis and defines an interior, an open end, and a closed end. The piston rod assembly includes a rod end and a piston, with the piston including at least one piston seal sealing against an inner surface of the casing wall, which divides the interior of the casing wall into first and second fluid reservoirs. The rod end of the piston rod assembly extends through the cap and moves between extended positions and retracted positions as a function of the pressures in the first and second reservoirs. The casing wall may have a first annular groove adjacent the open end, and a first port, which is in fluid communication with the first fluid reservoir for delivering fluid to the first fluid reservoir, is provided in either the closed end or the casing wall. The cap includes a second port, which is in fluid communication with the second reservoir for delivering fluid to the second reservoir, and may include a second annular groove which is aligned with the first annular groove of the casing wall when the cap is mounted to the open end of the casing wall, thus defining a cavity therebetween. The retaining member is positioned in the cavity and limits the longitudinal movement of the cap with respect to the cylindrical casing and, yet, permits rotational movement of the cap with respect to the cylindrical casing about the longitudinal axis of the casing, thereby, permitting adjustment of the second port about the longitudinal axis of the cylindrical casing. The mounting member is rotatably secured to the closed end of the cylinder and allows rotation of a mounting attachment relative the cylinder while preventing longitudinal movement therebetween.
Borden Ladner Gervais Llp
King Jeffrey R.
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