US 12,007,054 B2
Hydraulic coupling device and method of mounting the same
Axel Wall, Knivsta (SE)
Assigned to STEELWRIST AB, Sollentuna (SE)
Filed by STEELWRIST AB, Sollentuna (SE)
Filed on Nov. 16, 2022, as Appl. No. 18/056,133.
Application 18/056,133 is a continuation of application No. 16/644,690, granted, now 11,788,660, previously published as PCT/SE2018/050899, filed on Sep. 7, 2018.
Claims priority of application No. 1751092-6 (SE), filed on Sep. 8, 2017.
Prior Publication US 2023/0079538 A1, Mar. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F16L 37/34 (2006.01); E02F 9/22 (2006.01); F16L 21/08 (2006.01); F16L 37/088 (2006.01)
CPC F16L 37/34 (2013.01) [E02F 9/22 (2013.01); F16L 21/08 (2013.01); F16L 37/088 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A hydraulic coupling device comprising a female coupling unit comprising a female coupling body, a holding block, a guiding ring, and an expanding ring for fixedly arranging the female coupling unit to the holding block 50 in an opening of the holding block, wherein the guiding ring comprises an outer surface comprising a thread surface portion configured to engage with a thread surface portion of a cylindrical portion of the opening of the holding block for fixedly arranging the guiding ring to the holding block, wherein a seat is provided in the opening for supporting the expanding ring, wherein an outer surface of a front end of the female coupling body comprises a circumferential groove comprising a groove seat, configured to receive the expanding ring, wherein the female coupling unit is adapted to be fixedly arranged to the holding block by being suspended between the guiding ring and the seat, wherein the expanding ring is arranged as a support between the female coupling unit and the seat.