US RE50,407 E1
Intrascopic hydraulic cylinder
Sam Turnbull, Mangoplah (AU)
Assigned to FLIP SCREEN AUSTRALIA PTY LTD, East Wagga Wagga (AU)
Appl. No. 17/867,498
Filed by FLIP SCREEN AUSTRALIA PTY LTD, East Wagga Wagga (AU)
PCT Filed May 28, 2019, PCT No. PCT/AU2019/050527
§ 371(c)(1), (2) Date Nov. 25, 2020,
PCT Pub. No. WO2019/227146, PCT Pub. Date Dec. 5, 2019.
Application 17/867,498 is a reissue of application No. 17/059,080, filed on May 28, 2019, granted, now 11,333,176, issued on May 17, 2022.
Claims priority of application No. 2018203763 (AU), filed on May 29, 2018.
Int. Cl. F15B 15/14 (2006.01); F15B 15/16 (2006.01)
CPC F15B 15/1409 (2013.01) [F15B 15/16 (2013.01); F15B 15/1428 (2013.01); F15B 2211/775 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hydraulic cylinder assembly comprising:
an outer cylindrical housing; and
an inverted hydraulic cylinder inside the outer cylindrical housing, wherein the inverted hydraulic cylinder is smaller than the outer cylindrical housing and functions as a piston-rod assembly held longitudinally displaceably within the outer cylindrical housing, and wherein the inverted hydraulic cylinder comprises a cylindrical hollow rod containing a piston, a piston-gland and an inner rod [ ,
wherein the cylindrical hollow rod has a further hollow rod affixed in the piston-gland, wherein the inner rod of the cylindrical hollow rod extends and retracts by sliding within the further hollow rod] .