| Patent Number |
Title Of Patent |
Date Issued |
| D568717 |
Keypad escutcheon |
May 13, 2008 |
|
| D545172 |
Keypad escutcheon |
June 26, 2007 |
|
| 7032418 |
Vertical door locking system |
April 25, 2006 |
| A vertical door locking system includes a door lock with a deadbolt that moves horizontally, a striker with an upward facing strike opening that vertically receives the deadbolt and a lock controller. The striker includes an electrically operated catch to engage and release the deadb |
| 6398274 |
Retracting spindle for mortise lock |
June 4, 2002 |
| A retracting spindle mechanism has a spindle that extends between a handle trim mechanism mounted on the face of a door and a mortised door lock. The spindle is rotated by the handle to operate the door lock and slides axially in a hub to accommodate doors of different thicknesses. A con |
| 6101856 |
Free-wheeling lever handle lock mechanism |
August 15, 2000 |
| A free-wheeling lock mechanism for a cylindrical door lock includes inner and outer spindles directly connected to corresponding inner and outer lever handles, a latch retractor located between the spindles and a cylindrical outer cam located within the outer spindle. The outer cam has |
| 5694798 |
Motorized lock actuators |
December 9, 1997 |
| A motorized lock actuator adapted to replace a mechanical lock actuator in preexisting and installed lock assemblies to convert them to electronic operation includes an electrically insulated motor housing and at least one electrically insulated bushing on the motor shaft to prevent |
| 4944066 |
Adjustable closer arm |
July 31, 1990 |
| An arm for a door closer includes a shaft rotatable about a first axis. The arm includes a first arm member having a first end connected to the shaft and rotatable therewith. A second arm member has a first end pivotably connected to a second end of the first arm member and a second end |
| 4875722 |
Exit device actuator and dogger |
October 24, 1989 |
| An electrically operated exit device comprises a low powered dogging assembly for a pushbar and an electrical actuator for a latch bolt. A latching bracket is attached to the pushbar for movement inwardly and outwardly along a path. A dogging plate of the dogging element is pivotally |
| 4631528 |
Push bar exit device with alarm |
December 23, 1986 |
| An emergency exit device of the push bar type to control entry and exit of personnel, including a crossbar which may be pushed toward a door to actuate mechanisms which retract a latch bolt, and an alarm and key system for selective alarm actuation. The alarm and key system includes inte |
| 4394421 |
Thread forming of sintered porous metal shapes |
July 19, 1983 |
| A method of thread rolling a cylindrical sintered P/M blank is provided comprising, forming a sintered cylindrical powder metal (P/M) blank of density ranging from about 75% to 92% of the actual density of said metal blank having a selected diameter larger than the final pitch diameter o |
| 4094559 |
Flanged bearing cartridge |
June 13, 1978 |
| A flanged bearing cartridge is provided comprising a sintered powdered steel flange housing formed of a steel composition consisting essentially by weight of up to about 6% Ni, up to about 3% Cu, up to about 2% Mn and/or Si, about 0.2 to 1.2% C and the balance at least about 90% iron. |
| 4059879 |
Method for the controlled mechanical working of sintered porous powder metal shapes to effect su |
November 29, 1977 |
| A method is provided for partially densifying a selected surface portion of a sintered porous powder metal element while applying restraining pressure to other selected portions of said element in order to inhibit growth and cracking of said element during the partial cold deformation th |