Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ドアクローザのストップ装置
Document Type and Number:
Japanese Patent JP6752700
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a stop device for door closer capable of securing a large holding force even in a limited space inside a guide rail.SOLUTION: A stop device for door closer includes: a slider 7 moving by being guided by a guide rail according to an opening/closing operation of a door; and a catcher 8 provided at a predetermined position of the guide rail and for holding the slider 7. The slider 7 has a locking hole 24. The catcher 8 includes: an engaging ball 33 engaged with the locking hole 24; a coil spring 35 for energizing the engaging ball 33 to the engagement side; a transmission ball 34 arranged between the coil spring 35 and the engaging ball 33, and for transmitting a spring force of the coil spring 35 to the engaging ball 33; and a housing 31 incorporating the engaging ball 33, the transmission ball 34 and the coil spring 35. The transmission ball 34 transmits the spring force of the coil spring 35 to the engaging ball 33 by changing an angle.SELECTED DRAWING: Figure 4

Inventors:
Shoji Takahashi
Application Number:
JP2016231160A
Publication Date:
September 09, 2020
Filing Date:
November 29, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Ryobi Co., Ltd.
International Classes:
E05F3/22; E05F5/00
Domestic Patent References:
JP5994577U
JP6137373U
JP6173358U
Foreign References:
EP1795680A2
US20010015032
Attorney, Agent or Firm:
Tokuya Iwata