A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a bolt hole protecting plate for protecting a bolt hole in a wooden door frame. The bolt hole protecting plate comprises a plate body, wherein the plate body is provided with a central through hole matched with a bolt movable inserting rod, mounting through holes are respectively formed on two sides of the central through hole, the plate body is rectangular, and the central through hole and the mounting through holes are all circular.
The invention discloses a bolt hole protecting plate for protecting a bolt hole in a wooden door frame. The bolt hole protecting plate comprises a plate body, wherein the plate body is provided with a central through hole matched with a bolt movable inserting rod, mounting through holes are respectively formed on two sides of the central through hole, the plate body is rectangular, and the central through hole and the mounting through holes are all circular.
Bolt hole protecting plate
GU KAIMING (author)
2015-07-01
Patent
Electronic Resource
English
IPC:
E05C
Riegel oder Feststellvorrichtungen für Flügel, insbesondere für Türen oder Fenster
,
BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS