View source for 20250188781. Cam Hydraulic Door (SUN-Q DOOR CONTROLS LIMITED)

= CAM HYDRAULIC DOOR CLOSER FOR NARROW FRAME DOOR =

'''Abstract''':
the present invention belongs to the technical field of door closers, and particularly relates to a cam hydraulic door closer for a narrow frame door, which uses an embedded design, wherein a door closer main body and horizontal and vertical fasteners are fixed in a door body in an embedded installation manner. the door closer main body is positionally limited and fixed in the horizontal direction by the horizontal fastener, and positionally limited and fixed in the vertical direction by the vertical fastener. thus, the outer surfaces of the door closer main body and the horizontal and vertical fasteners are flush with the door body, that neither takes up extra space nor affects the appearance of the door body. the door closer main body is not exposed, not easily damaged, thereby ensuring the usage performance of the cam hydraulic door closer and extending its service life.

'''Inventor(s)''': [[:Category:Tsung-Ching CHEN of YUANLIN CITY  TW|Tsung-Ching CHEN]]

'''CPC Classification''': [[:Category:CPC_E05F1/08|E05F1/08]] (spring-actuated {, e.g. for horizontally sliding wings  (counterbalancing sliding or lifting wings ; springs per se , e.g. gas-springs )})


[[Category:Patent Applications]]
[[Category:SUN-Q DOOR CONTROLS LIMITED]]
[[Category:CPC_E05F1/08]]
[[Category:Tsung-Ching CHEN of YUANLIN CITY  TW]]

[https://wikipatents.org/index.php?search=20250188781+rejection&title=Special%3ASearch&wprov=acrw1_-1 Search for rejections for patent application number 20250188781]


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