F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 13/14 (2006.01) F16B 21/08 (2006.01)
Patent
CA 2189206
A fixing device having a stem (3) adapted to be retained in a wall, this stem having a shaft (9) carrying flexible non-return blades (13A, 13B, 13C), and having at least three longitudinal wings (10B, 10C) oriented in respective planes which intersect at the central longitudinal axis of the shaft, with the surface defining the free end of each wing being adjacent to the contour provided for the hole when the latter and the said shaft are disposed concentrically.
Finlayson & Singlehurst
I.t.w. de France
LandOfFree
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