Patent ID: 6874830

Claim:
An electric strike for a door, comprising: a housing; a keeper pivotally arranged in said housing, positioned to prevent withdrawal of a door latch bolt when prevented from pivoting, and to allow withdrawal of said door latch bolt when allowed to pivot; a holder slidably arranged in said housing; a blocking element slidably arranged in said holder having blocking surfaces opposing abutments of said keeper for selectively preventing rotation of said keeper, movable between a blocking position wherein rotation of said keeper is prevented and a non-blocking position wherein rotation of said keeper is allowed, biased towards one of said positions; a two-position mode selector operable from outside said housing for slidably moving said holder between a fail-secure and a fail-safe position, said blocking surfaces blocking rotation of said keeper when in said biased position when said holder is in said fail-secure position, and allowing rotation of said keeper when in said biased position when said holder is in said fail-safe position; and actuation means mounted in said holder for moving said blocking element away from said biased position, to block or unblock said keeper.