Patents Assigned to SHANG RUI FENG CO., LTD.
  • Linkage type lifting mast and its system
    Patent number: 11384897
    Abstract: A lifting mast includes a bottom layer component set, a first moving component set and a second moving component set. with the technical feature that plural balls are embedded between the screw hole of the first moving base of the first moving component set and the threaded section of the bottom linkage rod of the bottom layer component set and the technical feature that plural balls are embedded between the second moving base of the second moving component set and the threaded section of the hollow connecting rod of the first moving component set, when the hollow connecting rod of the first moving component set is screwed to the bottom linkage rod of the bottom layer component set and is linked by the rotation of the bottom linkage rod, it is smoother.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: July 12, 2022
    Assignee: SHANG RUI FENG CO., LTD.
    Inventors: Chiung-Chang Chen, Wen-Tsan Chen
  • LINKAGE TYPE LIFTING MAST AND ITS SYSTEM
    Publication number: 20220090732
    Abstract: A lifting mast includes a bottom layer component set, a first moving component set and a second moving component set. with the technical feature that plural balls are embedded between the screw hole of the first moving base of the first moving component set and the threaded section of the bottom linkage rod of the bottom layer component set and the technical feature that plural balls are embedded between the second moving base of the second moving component set and the threaded section of the hollow connecting rod of the first moving component set, when the hollow connecting rod of the first moving component set is screwed to the bottom linkage rod of the bottom layer component set and is linked by the rotation of the bottom linkage rod, it is smoother.
    Type: Application
    Filed: September 2, 2021
    Publication date: March 24, 2022
    Applicant: SHANG RUI FENG CO., LTD.
    Inventors: CHIUNG-CHANG CHEN, WEN-TSAN CHEN