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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| Number | Title | Issue Date |
| 6021849 | Double acting gas displaced chamber lift system and method A double acting artificial lift system for use in a wellbore having two chambers, each having an inlet and outlet; a power gas string connected to both chambers; a liquid string connected to the outlets of both chambers; a vent connected to each chamber f... | 02/08/2000 |
| 5431015 | Flexible bellows actuation system A closed loop fully self-contained actuation system for converting a mechanical input motion into a mechanical output motion, which actuates a device such as a flight control surface on an aircraft, comprises an input actuator including a first fluid pres... | 07/11/1995 |
| 5287700 | Flexible bellows actuation system A closed loop fully self-contained actuation system for converting a mechanical input motion into a mechanical output motion, which actuates a device such as a flight control surface on an aircraft, comprises an input actuator including a first fluid pres... | 02/22/1994 |
| 4870821 | Reciprocation apparatus with sealing mechanism In a sealing mechanism for a reciprocation apparatus for use in a cycle engine having a reciprocation member (108), such as Stirling engine, oil or a fluid is enclosed in a fluid room constituted by a pair of flexible partioning members (112, 113) such as... | 10/03/1989 |
| 4858439 | Device for varying a stroke A stroke variable device comprising a large diameter cylinder and a small diameter cylinder which are interconnected to each other. A large diameter piston and a small diameter piston are slidably inserted into the large diameter cylinder and the small di... | 08/22/1989 |
| 4840205 | Method and apparatus for dispensing liquids A machine for dispensing liquids, especially for filling cartons at a higher rate of speed, is disclosed. The machine includes three bellows arranged in vertical alignment, with upper and lower sleeves interposed between the bellows. The discharge nozzle ... | 06/20/1989 |
| 4769992 | Reciprocation apparatus with sealing mechanism In a sealing mechanism for a reciprocation apparatus for use in a reciprocating engine having a reciprocation member (108), such as Stirling engine, oil or a fluid is enclosed in a fluid room constituted by a pair of flexible partioning members (112,113) ... | 09/13/1988 |
| 4712780 | Hydropneumatic spring suspension device The invention relates to a hydropneumatic spring suspension or shock absorber device, in particular for heavy motor vehicles, which a spring element comprising a housing for a spring bellows filled with a hydraulic medium which is in flow connection with ... | 12/15/1987 |
| 4247078 | Overrange valve or the like A differential pressure unit having overrange valves loosely mounted on a valve stem connected between the ends of a respective pair of movable bellows ends. A pair of spiral range springs bias both valves toward open positions. The valves include annular... | 01/27/1981 |
| 4170166 | Air motor with expansible chamber Air motor having a crankcase about which a plurality of expansible chambers are arranged so that a crankshaft journaled within the crankcase can be connected to a bellows of the expansible chamber by a rod assembly. The crankshaft moves a cam means which ... | 10/09/1979 |
| 3946176 | Differential pressure switch A differential pressure module is secured in switching relation to the actuating plunger of an electrical switching mechanism. Comprising the differential pressure module are two piston/cylinder assemblies connected together in back-to-back configuration ... | 03/23/1976 |