Protective device for electronic lock

Locks – Operating mechanism – Using a powered device

Reexamination Certificate

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Details

C070S278100, C070S33300A, C070S423000, C070S425000, C070S455000, C340S005700, C340S005530

Reexamination Certificate

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07377144

ABSTRACT:
A protective device for an electronic lock includes a fixing plate mounted in a casing of an electronic lock and located behind an opening of the casing. The fixing plate includes a through-hole aligned with the opening. A protective cover is mounted to the fixing plate and movable between a shielding position shielding the through-hole of the fixing plate and the opening of the casing and a revealing position not shielding the through-hole of the fixing plate and the opening of the casing. The protective cover is drivable by a motor to move between the shielding position and the revealing position. A keypad is mounted to an outer side of the casing. A motor is activated to drive the protective cover when a pin code is input through the keypad.

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patent: 2006/0186987 (2006-08-01), Wilkins
patent: 2006/0201215 (2006-09-01), Wolf
patent: 2089420 (1982-06-01), None

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