| 摘要 |
<p>The tilting window toplight has one or more pairs of retainers shears between the vertical bars of window frame and stock frame, with the open end of one arm swivelling on one bar. The open end of the other shear arm (8) is mounted on a block displaceably led on the other vertical frame bar. It is also disconnectably led in a retainer piece (11) in a fixed mounting on this same bar. A shock-absorbing layer (13) may be interposed between the block and retainer piece.</p> |
