A Door Opener
AssigneeGuangdong Jusen Hardware Precision Manufacturing Co., Ltd.
InventorsQi Zhi, Li Shanxiong
Life of this patent
Estimating the term…
Abstract
This invention discloses a door opener, comprising a shell consisting of an upper cover plate (1) and a lower cover plate (2). The key is that a pushing device for pushing the door to rotate is provided in the shell. An end of a driving device, which has one or more springs, can drive, via a rotating member (3), the pushing device to rotate. A locking/releasing device, which cooperates with the driving device, is provided at the other end of the driving device. The structure of this invention is unique. It allows the door to be conveniently opened and will not cause any possible harm to the users.
Claims11
A door opener for opening a door comprising:
- a shell consisting of an upper cover plate;
- a lower cover plate;
- a pushing device in the shell for pushing the door to rotate;
- a driving device with a first end and a second end;
- at least one spring associated with the first end;
- a rotating member that causes the pushing device to rotate;
- and
- a locking/releasing device provided at the second end of the driving device which cooperates with the driving device.
Dependencies are inferred from the claim text.