Expansible fixing plug

Details Expansible fixing plug Expansible fixing plug

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 13/12 (2006.01)

Patent

CA 2651918

The invention relates to an expansion plug (1) which comprises two expansion limbs (4) which can be expanded by introducing a screw (not shown). In order to increase stability, the expansion limbs (4) are interconnected by bent connectors (7) in their peripheral areas, said connectors forming one piece with the expansion limbs (4). The connectors (7) are bent or arched in relation to the expansion plug (1) in two imaginary planes, they can therefore be easily stretched and do not significantly impair expansion of the expansion limbs (4).

L'invention concerne une cheville à expansion (1) comprenant deux ailettes d'expansion (4) qui s'écartent lorsqu'on introduit dans la cheville une vis non représentée. L'invention vise à augmenter la stabilité de ces ailettes. A cet effet, les ailettes d'expansion (4) sont reliées dans la zone de la périphérie par des éléments de liaison coudés (7) qui sont formés d'un seul tenant avec les ailettes d'expansion (4). Ces éléments de liaison (7) sont coudés ou incurvés dans deux plans imaginaires par rapport à la cheville à expansion (1), ce qui facilite leur extension, et ils n'entravent pas notablement l'expansion des ailettes d'expansion (4).

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