| 摘要 |
447,785. Door-operating appliances; stays. BEISHON, A. R., 147, Curtain Road, London. Jan. 9, 1935, No. 769. [Class 65 (i)] [See also Group XVII] The lid 2 of a box, gramophone, &c. is held in open or closed position by a spring 9 around the piston 7 of a dash-pot E which regulates the rate of closing. The dash - pot is pivoted at 4, and its piston is pivoted at 10 to a lever 11 one end of which is pivoted at 12, and the other end connected by a stay 14 to the lid, the arrangement be. ing such that the pivot 10 crosses the line 4, 12 in going from open to closed position. In the open position a stop 17 arrests the lever 11 when the pivot 13 is still above the line joining the pivots 12, 15. |
