| 摘要 |
<p>1284837 Door fastenings F HESTERBERG & SOHNE 19 Nov 1970 [3 Dec 1969] 55091/70 Heading E2A A french-door type container or vehicle door fastener comprises a rotary bolt having a cam portion 9 with lobes 11 and 12 which engage keeper surfaces 27, 26, and above and below this pairs of screw-profiled projections 13, 14 and 15, 16 which engage the ends 27, 26 of tapered surfaces 21, 22 of the keeper to provide a grip in the vertical direction.</p> |
