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| Number | Title | Issue Date |
| 4082078 | Pyrolytic lock assembly A lock assembly for a domestic cooking appliance for use during a pyrolytic self-cleaning operation. The assembly includes a pair of cams mounted on a common shaft which provide the dual functions of energizing and de-energizing certain switches in the op... | 04/04/1978 |
| 4076288 | Zero speed sensing safety latch apparatus A control element for sensing the motion of a movable member within a machine to automatically prevent opening of a cover or guard on the machine when the member is moving. The control element has one of its ends brought into contact with a portion of the... | 02/28/1978 |
| 4071271 | Automatic release and ejection locking mechanism This automatic release and ejection locking mechanism for said equipment boxes, notably for aircraft comprises locking balls releasable from their locked condition by means of a piston constantly urged by a coiled compression spring to its release positio... | 01/31/1978 |
| 4056276 | Door lock A door lock device suitable for operation with electrically operated means, which in turn can be actuated by magnetic card, special turn key, or a key punch combination for security purposes. If desired the lock device may be operated with a suitable mech... | 11/01/1977 |
| 4049302 | Safety lock mechanism In a safety lock mechanism, including a locking bolt pivotable about a door hinge so as to be able to swing to a door-locking position and an electromagnet provided to retain said bolt in said door-locking position, apparatus arranged, so that upon the in... | 09/20/1977 |
| 3999790 | Heat releasable lock A locked enclosure may be eventually automatically unlocked by a simple pin element in a hasp-lock which drops out of the hasp-lock in case of temperatures associated with a fire.... | 12/28/1976 |
| 3989286 | Device for arresting a door An arresting arrangement is mountable on the lower edge of a door adjacent to the floor and is movable between an inoperative and an operative position. A biasing spring permanently biases the arrangement to the inoperative position, and a latching arrang... | 11/02/1976 |
| 3989287 | Automotive vehicle door retarding and closing mechanism Mechanism for retarding the speed of closure of the door of an automotive vehicle to prevent slamming and also to effect complete closure of the door after the same has been slowed. A hydraulic piston and cylinder cushioning device is utilized to slow the... | 11/02/1976 |
| 3988859 | Entry structure and air-operated lock therefor A door is provided with an air-operated lock including a base structure mounted on the door adjacent the free vertical edge thereof, a bolt pivoted on the base structure for movement between retracted and extended positions, and an air cylinder between th... | 11/02/1976 |
| 3971580 | Dual releasable window latch mechanism for transit vehicle In a transit vehicle having a row of hingedly suspended windows along each side thereof, an individually, manually releasable latch is mounted adjacent the lower end of each window. An inflatable latch actuating member is concealed within each latch, and ... | 07/27/1976 |
| 3971241 | Operating device for locking mechanisms in doors, hatches and the like An operating device for locking mechanisms in doors or the like, especially on vehicles. A sealed system of flexible bellows interconnected by pipes is used to transfer a manual compression of an actuating bellows into an expansion of a bellows which is a... | 07/27/1976 |
| 3968983 | Two position, three function latching mechanism A sliding latch mechanism for the door of a heated cavity, such as a microwave oven that is provided with a pyrolytic self-cleaning oven cycle. This latch mechanism has a handle with only two positions; namely, a first unlatched position and a second latc... | 07/13/1976 |
| 3955840 | Door release mechanism A release mechanism for doors includes a pair of pivotally mounted cams one of which is displaceable to engage and retain a tensioned door sash element while the other cam locks and holds the first cam in said engagement until influenced by either the abs... | 05/11/1976 |
| 3951442 | Pivoting latch and lock A pivoting latch and lock for a door hinged in a frame having a strike aperture has a detent latch that can be moved out of the strike opening merely by pulling the door open unless the detent latch is specially blocked against such movement. In one embod... | 04/20/1976 |
| 3942828 | Electromechanical device cum manual control of safety outfit boxes on aircrafts This electromechanical device with a manual emergency control for opening the door of a safety outfit box on board an aircraft comprises in said box a spring-loaded piston responsive to an electromagnet and having a head shaped to control the movements of... | 03/09/1976 |
| 3937505 | Electric hood latch for vehicles A hood locking device for vehicles for locking the hood over the engine compartment to prevent theft of the vehicle or of engine parts. It includes a main housing mountable inside the compartment by adjustable rods and brackets to fit most cars or trucks,... | 02/10/1976 |
| 3933382 | Security lock Electrically operated lock for a closure, such as a truck door, characterized by a bolt movable between locked and unlocked positions and latched against movement in both positions, the bolt movement being under control of a two position switch and other ... | 01/20/1976 |
