| 摘要 |
975,488. Ski bindings. H. MARKER. April 23, 1963 [April 30, 1962], No. 16013/63. Heading A6D. A safety release device for ski bindings comprises a plate 2 bolted to the ski 1 and a twopart housing 5, 6 pivotally mounted on the plate 2 by meansof pin 4 but normally restrained from moving relative to the plate by ball detents 11 engaging recesses 13 in the plate. The detents are urged into engagement with the recesses 13 by a block 9 of elastic material located within the housing, a nut 8 being provided for adjusting the pressure exerted by the block on the detents. The device also comprises a member 15 for engagement with the skier's boot, the member being fast with a pin 14 rotatably mounted in the housing 5, 6, and having an extension 18 normally abutting one face of the block 9. In the event of an excessive torque being applied to the skier's boot or leg, the detents 11 are urged out of engagement with their respective recesses, and the housing 5, 6 together with the member 15 rotates about the pin 4. Movement of the member 15, however, is restricted by its contact with the skier's boot, with the result that the pin 14 and member 15 pivot relative to the housing and block 9 to an extent which is limited by the abutment of a part 16 of member 15 against the housing 5, 6. In this position, one edge of extension 18 elastically deforms block 9, so that on removing the boot from the binding, the resilience of the block returns the fastening to its central position. In a modification, the member 15 comprises three parts, two for abutting the side edges of the skier's boot and one for abutting the toe cap, all three parts being mounted on the pin 14 and being provided with extensions for abutting the block 9.
|
