US 12,482,313 B2
Lock
Robin D. Davidson, Wheatland, OK (US)
Assigned to D & D Design and Manufacturing, Inc., Oklahoma City, OK (US)
Filed by D & D Design and Manufacturing, Inc., Oklahoma City, OK (US)
Filed on Apr. 11, 2024, as Appl. No. 18/633,223.
Application 18/633,223 is a continuation of application No. 17/228,963, filed on Apr. 13, 2021, granted, now 11,961,343.
Prior Publication US 2024/0362960 A1, Oct. 31, 2024
Int. Cl. E05B 47/00 (2006.01); E05B 67/36 (2006.01); G07C 9/00 (2020.01)
CPC G07C 9/00182 (2013.01) [G07C 9/00563 (2013.01); E05B 47/0001 (2013.01); E05B 67/36 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A lock, comprising:
a housing having a first side, a second side opposite the first side, a first end, a second end opposite the first end, an internal cavity, a recess extending from the first side toward the second side and defined by an opening with a closed perimeter lying in a single plane on the first side and a closed inner end opposite the opening, and a bore extending from the first end toward the second end so as to intersect the recess and the internal cavity;
a plunger having a first end portion, an intermediate portion, a second end portion, and at least one groove formed in the second end portion, the plunger disposed in the bore and slidable between a closed position wherein the second end of the plunger is positioned in the internal cavity and the intermediate portion of the plunger extends across the recess and an open position wherein the plunger is withdrawn from the internal cavity and the recess;
at least one locking member positioned in the internal cavity and movable between a locking position wherein the locking member is engaged with the groove of the plunger and an unlocking position wherein the locking member is disengaged from the groove;
a locking plate positioned in the internal cavity and movable between a lock position wherein the locking plate engages the locking member to hold the locking member in the locking position to maintain the locking member engaged with the groove of the plunger and an unlock position wherein the locking plate is disengaged from locking member to permit the plunger to move from the closed position to the open position; and
a control assembly operable between a lock mode wherein the locking plate is supported in the locked position and an unlock mode wherein the locking plate is movable to the unlocked position.