A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DOOR HANDLE SAFETY LOCK
A door handle safety lock comprises a button, a pedestal, a limited support arm and a spring, the outer wall the button is provided with retaining ribs; the top of the pedestal is provided with inserting parts, a first mounting hole matched with the button is arranged in the inserting part, and the first chutes are arranged on the inner wall of the first mounting hole; the end of the limited support arm which is close to the pedestal is provided with an inserting slot which is matched with the inserting part, the outer wall of the limited support arm which is close to the pedestal is provided with a second mounting hole which is matched with the button, and the second chute are arranged on the inner wall of the second mounting hole; and the spring is installed between the button and the hole bottom of the second mounting hole.
DOOR HANDLE SAFETY LOCK
A door handle safety lock comprises a button, a pedestal, a limited support arm and a spring, the outer wall the button is provided with retaining ribs; the top of the pedestal is provided with inserting parts, a first mounting hole matched with the button is arranged in the inserting part, and the first chutes are arranged on the inner wall of the first mounting hole; the end of the limited support arm which is close to the pedestal is provided with an inserting slot which is matched with the inserting part, the outer wall of the limited support arm which is close to the pedestal is provided with a second mounting hole which is matched with the button, and the second chute are arranged on the inner wall of the second mounting hole; and the spring is installed between the button and the hole bottom of the second mounting hole.
DOOR HANDLE SAFETY LOCK
XU JIAN (author) / LI DONG (author) / WANG XINJUN (author)
2020-11-12
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser