Patent ID: 8967677
Filing Date: 2015-03-03
Classification: E05B,Y10T

Abstract:
1. An anti-intrusion device comprising: a lock comprising a handle shaft and a strike plate, wherein a protruding pin on a top edge of the handle shaft passes through a sliding member driving the strike plate to move horizontally so as to keep the lock in a lock or unlock state, wherein a gap is at a bottom of the handle shaft; a sliding element at the handle shaft, wherein the sliding element comprises an arc-shaped strip, a positioning pin at a center of two sides of the strip and a pin at a bottom edge of the strip, wherein the positioning pin passes through a sliding groove at the lock such that the sliding element is suitable for moving along the sliding groove; a clamp button comprising a horizontal portion having a front end exposed and protruded from the lock and a vertical portion bent in a right angle at a distal end of the horizontal portion, wherein a fixing hole is at the vertical portion, wherein when the clamp button is pressed, the horizontal portion of the clamp button is led to move horizontally at the lock; a sliding lever comprising a withstanding portion bent at an end of the sliding lever, wherein a fixing hole is at another end of the sliding lever, wherein the sliding lever connects with the clamp button by a connecting part fixing with the fixing holes at the sliding lever and the fixing hole at the clamp button; a stop lever suitable for moving with the clamp button, wherein the stop lever comprises a plate having a front end exposed and protruded from the lock and a stop portion bent in a right angle at a distal end of the plate; and a stop element comprising a pedestal and a sliding block received in the pedestal, wherein the sliding block is suitable for sliding upward and downward along the pedestal, wherein when the lock is in a lock state, the clamp button is pressed down to drive the sliding lever to push the sliding block of the stop element upward such that the sliding block is stopped at the gap at the handle shaft, wherein when a thief turns the handle shaft, only the sliding element is driven to move along the sliding groove at the lock such that the lock pretends to open and the thief misunderstands the lock has been broken and gives up intruding.