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Patent No. 5571247

Self Containing Enclosure for Protection from Killer Bees

A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.

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Class 74/490.15 - Pair of levers


Subclass of Class 74 - Machine element or mechanism
Definition: Subject matter in which there are only two control elements
No. of patents: 15
Last issue date: 12/13/2005


NumberTitleIssue Date
6975930Rate limiting control system
A method of controlling an operation of a mechanism is provided. A first rate limit is assigned to a first input device that is operable to generate a first signal to control the operation of the mechanism. A second rate limit is assigned to a second input device th...
12/13/2005
6415679Manual drive for positioning precision instruments
A carriage adapted for carrying a laboratory instrument such as a pipette, electrode, or syringe is driven by a drive shaft in the form of a lead screw. The lead screw is selectively driven by a high speed drive wheel or by a low speed drive wheel. The dr...
07/09/2002
6354169Link lever system for vehicle air conditioner
In a vehicle air conditioner, inside air and outside air are switched by first and second inside/outside air switching doors. The first inside/outside air switching door is operated by a first door lever operatively linked with an inside/outside air opera...
03/12/2002
6098385Drive control for self-propelled power tool
A large capacity, self-propelled walk-behind power tool, such as a lawn mower, employs gear-operated transmissions for independently driving each drive wheel. Control handles are connected to idler pulley levers and brake levers to control the movement of...
08/08/2000
5893510Welding apparatus
A welding device is disclosed having an elongated actuator arm which is secured to a main post by a cross arm. The cross arm is both slidably and pivotally mounted to the main support post and also pivotally and slidably secured to the actuator arm by an ...
04/13/1999
5593081Welding apparatus
A welding device is disclosed having an elongated actuator arm which is secured to a main support post by a cross arm. The cross arm is both slidably and pivotably mounted to the main support post and also pivotably and slidably secured to the actuator ar...
01/14/1997
5467663Control cable for a vehicle system
Cable assemblies are useful for controlling the engine governor of a vehicle. On some vehicles the operator must control the governor from two different locations or operating positions of the operator. The subject arrangement includes a cable assembly ha...
11/21/1995
5228357Stage driving device for optical examining apparatus
A stage driving device for optical examining apparatus has a pair of moving beds capable of traveling in directions perpendicular to each other, straight guide members mounted on the moving beds, driving knobs coaxially arranged to move the moving beds, a...
07/20/1993
5146807Bell crank actuated spindle adjustment mechanism
A bench type router/shaper which includes (i) a spindle drive pack which incorporates the motor and the spindle into a unitary package so as to establish and maintain a spacial relationship between the motor and the spindle, (ii) a semi-elastic drive belt...
09/15/1992
4713981Remote actuating mechanism
A remote actuating mechanism, in particular for actuating a control lever of a three-point implement hitch, has a transmission unit with a slide which is movable longitudinally by means of a swingable driver. The driver can be held in an inoperative posit...
12/22/1987
4121483Aircraft flight control system
An aircraft flight control including a linkage system having a walking beam to which control inputs are imparted and from which a control output is taken and having anti-jamming and over-control abatement provisions....
10/24/1978
4031771Vehicle rear-view mounting arrangement
The orientation of a vehicle rear-view mirror carried by a mirror support member is adjusted from inside a vehicle about a horizontal axis by turning a tubular bearing member, to which the mirror support member is hinged, about its axis by rotating a firs...
06/28/1977
4011769Vehicle rear-view mirror mounting arrangement
The orientation of a vehicle rear-view mirror carried by a mirror support member is adjusted from inside a vehicle about a horizontal axis by turning a tubular bearing member, to which the mirror support member is hinged, about its axis by rotating a firs...
03/15/1977
3987871Trolley cart braking system
A brake device for a cart separate from the cart wheels and operated by downward movement of a foot pedal to cause engagement of feet with the floor and thereafter movement of at least some of the cart wheels a small distance off of the floor, the feet be...
10/26/1976
3974712Auxiliary brake lever
An auxiliary brake lever for actuating the brakes of a bicycle wherein the auxiliary brake lever is operable independently of the main brake lever....
08/17/1976
 
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