| 摘要 |
726,137. Stud and socket fastenings. EVANS, O. (Anglo Rhodesian Steel Products & Engineering Co., Ltd.). Oct. 27, 1953 [June 12, 1953], No. 16325/53. Class 44. A locking means for a screen 3 such as a mosquito screen comprises a strip of angle section secured along one side 10 for sliding movement with respect to the main frame 1 in which the screen carrying frame 2 is mounted, the other side 11 being provided with a slot 12 enlarged at one end for the passage of the head 8a of a screw bolt 8 or like means secured to the frame 2 to pass through a hole in the base part of the frame 1. The strip has a pair of finger grips 13 for moving it and is secured to the frame 1 by a bolt 5 which passes through an elongated slot 9. |
