| 摘要 |
1295470 Furniture joints J BLUM 14 Nov 1969 [14 Nov 19681 55997/69 Heading A4H [Also in Division E2] A pin 1 is locked in a bore 6 in a structural element 4 by a rotatable locking device 9 housed in a bore 7 in member 4 inclined to bore 6, device 9 including a helicoidal surface 16 that co-operates with an inclined surface 20 on pin 1. Pin 1 and element 4 engage in bores in wooden panels and are retained therein by ribs 35. Helicoidal surface 16 is provided on a collar 14 that extends over an angle of 270 degrees around the device 9, and a radial stop rib (17) is provided at the end of surface 16 for abutting a projection 19 on pin 1. A collar 11 on device 9 provided with a screwdriver slot (18) is forced past a narrower part 8 of bore 7, element 4 and/or device 9 being resilient. When device 9 is rotated a conical end 13 thereof bears on the bottom of the panel bore. The lower part 12 of device 9 may be wide enough to bear on pin 1. |
