Title:
CLOCKWORK SPRING COILING DEVICE WITH CLOCKWORK SPRING BUILT IN UPPER BEAM
Document Type and Number:
WIPO Patent Application WO/2023/173681
Kind Code:
A1
Abstract:
Disclosed in the present utility model is a clockwork spring coiling device with a clockwork spring built in an upper beam, the clockwork spring coiling device comprising an upper beam and a support, the support being provided with a reel for driving a roller shutter to be wound and unwound, and the support comprising a horizontal portion and a vertical portion; and the clockwork spring coiling device further comprising a coiling device body mounted in the upper beam, wherein the coiling device body comprises a clockwork spring, a fixed disc and a coiling disc. In a loosening state, the clockwork spring is sleeved on the fixed disc, and a coiling end of the clockwork spring is snap-fitted with the coiling disc; and the coiling device body further comprises an adjustment plunger, one end of the adjustment plunger is in transmission connection with the coiling disc, the other end of the adjustment plunger is connected to the reel by means of a transmission structure, and the transmission structure is located in the vertical portion. Compared with the case in the prior art that a coiling device body is mounted in a left support and a right support, the coiling device body in the prior art is mounted in the upper beam, so that the width of the left support and the width of the right support in the prior art are greatly reduced, so as to be more suitable for curtains with narrow supports and a small breadth.
Inventors:
LU JIEFEI (CN)
Application Number:
PCT/CN2022/113812
Publication Date:
September 21, 2023
Filing Date:
August 22, 2022
Export Citation:
Assignee:
LU JIEFEI (CN)
International Classes:
E06B9/42; E06B9/68
Foreign References:
| CN217054978U | 2022-07-26 | |||
| JP3215727U | 2018-04-12 | |||
| CN210508989U | 2020-05-12 | |||
| US10113359B1 | 2018-10-30 | |||
| CN209011739U | 2019-06-21 | |||
| CN110984825A | 2020-04-10 | |||
| US20190100960A1 | 2019-04-04 | |||
| US20200208467A1 | 2020-07-02 |
Attorney, Agent or Firm:
NINGBO ZHIKUN PATENT AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)
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