Patent ID: 9679429
Date: 2017-06-13
CPC Classifications: E05B,G07C,Y10T

Claim:
1. A portable lock comprising: a lock body; a locking arm having a first end pivotally connected to the lock body for pivotal rotation about a first axis and a free end movable relative to the lock body, the locking arm pivotally movable between a closed position wherein the free end engages a portion of the lock body and an open position wherein the free end is spaced apart from the portion of the lock body by a gap, the locking arm constrained to move relative to the lock body only by rotation about the first axis; a bias mechanism arranged to bias the locking arm toward the closed position; an electrically-controlled locking mechanism having: a locked configuration wherein, with the locking arm in the closed position, the locking mechanism locks the locking arm in the closed position; and an unlocked configuration wherein the locking arm is pivotally movable from the closed position to the open position; a signal receiver connected to control the locking mechanism to switch from the locked configuration to the unlocked configuration in response to receiving an unlock signal; and a gate wheel fixed to pivot with the locking arm, the gate wheel having a gate wheel notch; wherein the locking arm and lock body lie in a common plane when the locking arm is in the closed position and wherein the locking arm and the body remain in the common plane as the locking arm moves from the closed position into the open position and the electrically-controlled locking mechanism comprises: a pawl pivotally movable between an engaged position wherein the pawl is positioned to be received in the gate wheel notch and a disengaged position, the pawl biased toward the engaged position; and a pawl wire coupled to move the pawl between the engaged position and the disengaged position.