Security apparatus

Locks – Special application – For control and machine elements

Patent

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Details

70230, F16B 4100

Patent

active

044662610

ABSTRACT:
Disclosed is a security device which includes a cylindrical externally threaded member having formed therein a radial first hole and a threaded second hole formed coaxially with the threaded member and intersecting the first hole. A bar is insertable into the first hole to extend radially outwardly therefrom. The bar includes a notch which is alignable with the second hole when the bar is inserted into the first hole. The device includes a sleeve having a first internal portion engageable with the externally threaded member and a second internal portion. The sleeve is engageable with the bar for preventing rotation of the sleeve with respect to the threaded member. The device includes a key operable pick-resistant lock that includes a lock body that is non-rotatably engageable with the second internal portion of the sleeve and a key operable screw that is threadably engageable with the second hole to engage the notch and prevent the bar from being removed from the threaded member.

REFERENCES:
patent: 1854495 (1932-04-01), Van Sickel
patent: 2377465 (1945-06-01), Turner
patent: 4358941 (1982-11-01), Zimmer

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