| 摘要 |
552,409. Hinges. WREAY, J. C. Nov. 21, 1941, No. 14995. [Class 65 (ii)] A door hinge comprises a hanging plate 1 fixed to the back of the door post and carrying rearwardly and outwardly bent lugs 1a secured by a pin 3 to a similar lug 2b on a strap 2 fixed to the front of the door and provided with a cranked portion 2a which engages the hinged edge of the door. |
