F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/6
F16B 41/00 (2006.01)
Patent
CA 2029395
ABSTRACT OF THE DISCLOSURE A cap having an antitheft lock for a fastening member and comprising a cap body (1) covering a polygonal engaging portion of the fastening member (A) and having a cavity (2) formed in the front end face of a side portion thereof, a bore (3) extending from the cavity (2) rearward therethrough and an inward slanting guide face (4) formed in the inner periphery of the cap body (1) and extending from the bore (3) toward the rear end of the cap body, a pressure contact piece (7) having an outward slanting face (6) positioned inwardly of and opposed to the inward slanting face (4) for preventing the cap from slipping off, and a screw (5) inserted through the cavity (2) into the bore (3) and having a rear end screwed into the contact piece (7) and a head (5a) bearing on the bore edge portion. The outward slanting face (6) is slidable along the inward slanting face (4) to move the contact piece (7) axially and radially of the cap body simultaneously by rotating the screw (5) relative to the contact piece (7) in the driving-in or loosening direction.
Fetherstonhaugh & Co.
Kyo-Ei Industrial Corporation
LandOfFree
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