G - Physics – 08 – B
Patent
G - Physics
08
B
24/62
G08B 21/00 (2006.01) E05B 73/00 (2006.01) F16B 17/00 (2006.01)
Patent
CA 1107040
75-299 APPLICATION OF: CLARENCE R. VanNIEL FOR: MONITOR ACTUATING DEVICE AND REUSABLE FASTENER THEREFOR ABSTRACT OF THE DISCLOSURE A monitor actuating device and a releasable, reusable fastener therefor is provided. The monitor actuating device is designed for attachment to a monitored article and for release therefrom only by the use of a specially designed tool. The actuating device includes a pin member, such as a headed tack or the like, extending therefrom and/or there- through, which is designed to pierce the monitored article, such as an article of clothing or the like. The reusable fastener is selectively attachable to the free end of the pin member to capture the monitored article and/or the monitor actuating device on the pin and to prevent removal of the monitored article and/or the monitor actuating device from the pin. The reusable fastener is designed for release from the pin only upon the use of a special tool to prevent, or at least render more difficult, the unauthorized removal of the monitor actuating device from the monitored article. The fastener includes a body, preferably plastic, in which a resilient spring steel clip is mounted. The body defines a pin receiving bore and the clip includes a resilient generally dome shaped portion, concave side towards the open- ing to the bore, having an aperture therein aligned with the bore. The aperture has a cross-section with at least one dimension smaller than the diameter of the shaft of the pin. -1- 75-299 A plurality of generally radially extending slits in the dome intersect the aperture and divide that portion of the dome shaped portion surrounding the aperture into a plurality of resilient spring fingers. The spring fingers will be resiliently deflected radially outwardly upon the application of an axial force to the concave surface of the dome shaped portion to increase the cross-section of the aperture. The body includes an axially movable portion for engagement with the concave surface of the dome shaped portion of the clip. The clip is preferable axially fixed and freely rotatable relative to the body. -2-
266833
Corporation Eaton
Macrae & Co.
LandOfFree
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