Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Cap over the head
Patent
1990-11-02
1992-04-14
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Cap over the head
411429, F16B 1900
Patent
active
051042746
ABSTRACT:
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.
REFERENCES:
patent: 3279838 (1966-10-01), Hamilton
patent: 4574602 (1986-03-01), Furuse
patent: 4880344 (1989-11-01), Henry et al.
Kyo-Ei Industrial Corporation
Lindsey Rodney M.
LandOfFree
Cap having antitheft lock for fastening member does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cap having antitheft lock for fastening member, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cap having antitheft lock for fastening member will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2345059