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Document |
Document Title |
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7350837 |
Door jam security device and method of using same
The invention is a special bar assembly that could be easily installed on a steel door of a commercial building. The invention comprises a permanent door piece, door mounting hardware, and a lock...
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4964659 |
Diaphragm latch mechanism
A latching mechanism is provided for enabling perimeter locking for doors and the like. A diaphragm is provided which engages a surrounding frame along the perimeter of the diaphragm. Slots in the...
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4664431 |
Apparatus for closing and reopening the cover for a container
For use with a container with a removable cover at the top opening, at least one pair of cover tightening members are pivotally linked with each other and are mounted to the cover so that they can...
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4634158 |
Door brace assembly
A brace assembly for a door including an elongated brace bar hingedly mounted at one end to the door frame to permit the brace bar to swing about two perpendicular axes, and means for securing the...
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4498695 |
Pressure cooker lid latch and lock
A latching mechanism and pressure-operated safety lock for a pressure vessel such as a pressure fryer, the invention positively locks a lid of a pressure fryer over the cooking pot by means of a...
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4461597 |
Valve box cover
A cover capable of being both locked in position within a valve box or manhole cover and lifted upwards to assist in its removal, having a rotating bolt therein which maneuvers a lever base upwards...
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4322101 |
Adjustable spring latch for coke oven doors or the like
An adjustable spring latch for doors of coke ovens or the like. The latch includes springs which urge the door into tight engagement with the jamb. The force exerted by the springs can be adjusted...
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4310187 |
Door securing mechanism
A mechanism for securing a door to a door frame includes a plurality of generally C-shaped clamps rotatably secured about the door's periphery, each of the clamps including a rear radial clamp leg...
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4214518 |
Meat tumbler
Apparatus for treating meat comprises introducing pieces of meat into a tumbling drum rotatable about a horizontal axis and which contains circumferentially spaced rods on the inside of the drum...
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4145259 |
Closure members
A closure for an opening into a combustion chamber or a distillation chamber which tightly seals said opening. The closure has a central portion with a lip at its periphery having at least one...
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4089551 |
Quick-release gas cap latch retainer device
A latch retainer device for preventing the accidental opening of a quick-release gas cap and including a clip for fitting over and engaging the gas cap hinge, a loop for fitting over and engaging...
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4073239 |
Closing means for a hatch cover
A hatch cover having a locking mechanism comprising a single hand wheel with a shaft threaded to the cover for limited up and down movement as the hand wheel is turned. A locking strap is hinged on...
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4061382 |
Door locking mechanism for coke oven door
A bolt has an inner end threaded into a door body. A sleeve surrounds the bolt, and a locking bar surrounds the sleeve. A spring is supported by the bolt and urges the sleeve and locking bar toward...
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4044918 |
High temperature, quick access door for high vacuum chambers
A door for an ultra-high vacuum chamber is disclosed which includes a sealing joint that maintains a hermetic seal when it is baked or otherwise subjected to high temperatures, while yet allowing...
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3980328 |
Doorbar system
Improvement in a doorbar device for barring the door of a doorway, the doorway having doorjambs and a door therefor, the door having a doorknob, the doorbar device comprising a doorknob constructed...
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3953063 |
Coke oven door closure
A door closure includes a spring bearing member on a door body. A spring is positioned in the spring bearing member and urges a locking bar and locking bar support outwardly thereof into locking...
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3916800 |
Latching arrangement for hatch cover
A hatch cover for opening and closing the hatch structure of a vehicle hopper includes a locking mechanism which may be actuated by means of a rotatable hand wheel supported on top of the cover....
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3863968 |
SECURITY DEVICE FOR A DOOR
A security device for a door is disclosed which includes a holding element fixed to a stud of a room wall in a manner to shear the stud upon movement of the holding element toward the inside of the...
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3853483 |
EXHAUST GAS CATALYTIC TREATMENT SYSTEM
In a converter for the catalytic treatment of engine exhaust gases which includes an inlet conduit, a catalyst chamber, a particulate catalyst and an outlet conduit, the improvement comprises a...
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3591223 |
SINGLE-USE SEAL LOCK
A seal lock designed for a single use having a socket member and a plug insertable in said socket. The plug is provided with flexible arms which will coact with ledges in the socket portion to...
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3224048 |
Removable safety bar for windows, doors and the like
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3209663 |
Hatch cover
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3183673 |
Closure adapter for master cylinder
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3032483 |
Coke oven doors
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2941236 |
Hinge
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2848257 |
Wire line oil saver
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2812877 |
Closure fastener
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2811348 |
Hood lift and hood latch mechanism
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2798752 |
Door fastener operating means
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2763343 |
Door structure for a rendering cooker or the like
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2749595 |
Turret locking device
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2707575 |
Closure and operating mechanism therefor
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2703249 |
Bail type closure fastener
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2659514 |
Charging door for transit concrete mixers
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2507444 |
Aerated minnow bucket
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2493034 |
Hatch cover fastener
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2457927 |
Closure for pressure vessels
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2423679 |
Device for dispensing from an inverted milk can
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2402246 |
Manhole cover locking mechanism
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2399937 |
Tire repairing apparatus
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2270726 |
Melting kettle for tar, asphalt, and the like
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2263842 |
Means for connecting containers to spraying devices
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2198125 |
Pressure cooker
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2133917 |
Plug for closing holes made in measuring thickness
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2083011 |
Test hole device
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2073950 |
Beverage cooler
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1988227 |
Filter
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1973924 |
Container and closure therefor
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1973228 |
Dome cover for tank cars
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1956665 |
Manhole closure
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