Abstract: This anchor lock is designed to prevent a door or cover of a doorway from being forced inward. Primarily, it consists of a sleeve anchorable in pavement in front of the door, and a bar with a tongue at its top end is received in the sleeve, and the tongue is received in a plate attached to the door. The bar is also provided with a projecting pin for preventing its removal from the sleeve when the device is in use, and a slot in the sleeve enables the pin to travel upward and outward of the sleeve, enabling storage of the bar when the device is not in use.

Abstract: This lock is designed to prevent unauthorized removal of the wheels of large trucks and buses. Primarily, it consists of a housing that is received on the nut fastener and the studs that hold the wheels on the vehicle, and a locking mechanism that is key operable, is provided with a bolt that is received in an annular groove proved in the nut fasteners. The bolt of the locking mechanism is also provided with an annular groove and head that cooperate with a pin in the housing to prevent dis-engagement with the nut fasteners when the lock is in locked position.

Abstract: This lock protector is designed to be received over a padlock strap and staple combination used to lock a door. Primarily, it consists of an elongated block or bar having an opening for receiving the padlock staple, and a larger opening in a face of the block receives a flat cylindrical lock member that also receives the padlock staple and locks the door by the employment of a key to advance the lock member bolt through the staple.