Patents Assigned to Yo Yuh Inst. Co., Ltd.
  • Patent number: 10463158
    Abstract: A wall-mounted foldable chair has: a supporting frame, a rotatable frame, and a seating member. The supporting frame is provided with the two assembling bars fixed on a wall surface, the other end of the supporting frame is connected with an axial tube. The two assembling bars are parallel to each other, the shaft tube is provided with a shaft rod, and the shaft rod is rotatably pivoted to the connecting rod. The rotatable frame is provided with a rotation shaft and at least two supporting leg member parallel to the rotation shaft, the two supporting leg member is capable of standing on the ground, and a connecting bar is horizontally disposed between the two supporting leg members for pivoting at the other end of the connecting rod. The seating member is provided with a pad member and the two secure bars.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: November 5, 2019
    Assignee: YO YUH INST. CO., LTD.
    Inventor: Yong-Hao Lin
  • Patent number: 8661740
    Abstract: A foldable safety handrail assembly includes a mounting bracket, a fixing sleeve mounted on the mounting bracket, a release sleeve mounted on the mounting bracket and having a release groove, a rail having a pivot tube which has a first locking groove and a second locking groove, a locking tube extending through the fixing sleeve, the pivot tube and the release sleeve and having a limit slot, a locking member mounted in the limit slot and detachably locked in the first locking groove or the second locking groove, a control member mounted in the locking tube to move the locking member, and a push knob mounted on and pushing the control member. Thus, the user only needs to push the push knob to unlock and fold the rail so that the rail can be unlocked and folded easily and quickly.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: March 4, 2014
    Assignee: Yo Yuh Inst. Co., Ltd.
    Inventor: Yong-Hao Lin