Patent ID: 6962027

Claim:
A masonry pin assembly comprising: a substantially cylindrical cartridge that has the interior surface obstructed at one end and wherein the cartridge is adapted to reside within a hole drilled in a masonry stone; a spring dimensioned to fit within the cartridge and configured to react against the obstructed end of the cartridge; a retaining pin dimensioned to slidably reside within the cartridge and having a length such that when the spring is compressed within the cartridge by the pin, the pin does not protrude from the cartridge; a trigger having at least a portion thereof residing on the cartridge for holding the pin within the cartridge against the spring until such time as the trigger is activated and a portion of the pin is released from the cartridge and wherein the trigger can be activated from outside the masonry stone in which the cartridge resides; and wherein the spring is of sufficient strength to drive the retaining pin into a corresponding hole provided in another adjacent masonry stone.