E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
E06B 9/76 (2006.01) E04F 10/06 (2006.01)
Patent
CA 2184254
A winding rod which has an elongated part disposed substantially perpendicularly to its longitudinal axis and being rotatable about the axis, an annular eyelet having a curved inner face partially surrounding the rotatable part that has an enlarged portion having an outer face curved complimentarily to the inner face within at least a section for cooperating with the outer face and being substantially coaxially disposed within the eyelet, the inner face being adapted to accommodate the outer face therein; the annular eyelet that has a circular or oval cross- section, curved suitably convex opposed inner faces at each side of the eyelet and tapering in the direction of each other, and a central aperture between the opposed inner faces.
L'invention concerne une manivelle (10) qui comporte une section (16) pouvant tourner autour de son axe longitudinal (12) et s'étendant transversalement par rapport audit axe, pourvue d'au moins un épaississement (20, 22), pour actionner des anneaux (30) dont la surface intérieure (36) coopère avec l'épaississement (20, 22) et est formée par les surfaces extérieures de deux corps coaxiaux qui se terminent en pointe l'un par rapport à l'autre et dont les surfaces de base (33) sont opposées. Dans la zone de contact de travail, l'épaississement (20, 22) est sensiblement complémentaire de la surface extérieure (36) qui coopère avec lui.
Fetherstonhaugh & Co.
Gerhard Geiger Gmbh & Co.
LandOfFree
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