Scovill Inc.

Scoville Inc.

William A Krupicka

Sidney J Lampley

Lawrence D Butts

David Dixon

Donald J Kaiser

Albert Behar

Exit device has auxiliary bolt which when held in by door strike permits a blocking leg to prevent unauthorized forced retraction of main latch bolt. Normal operation of device by panic bar pivots blocking leg out of the way and then retracts main latch bolt.

Exit device

A stop disposed in the bottom of the shackle heel bore normally blocks movement of a pin holding the cylinder in the casing. Raising the stop when the lock is unlocked permits the pin to move away from the cylinder freeing the cylinder for replacement.

Padlock having a replaceable cylinder

For locking an object to a stationary structure, a securing device comprising an ordinary padlock, a C-shaped housing embracing the body of the padlock, the top of the housing being apertured to receive the shackle of the padlock, and fastening means to hold the housing to the structure.

Growing community of inventors

Charlotte, NC, United States of America

William A Krupicka