Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7372356 | Concealed adjustable temperature switch A concealed adjustable temperature switch includes a fixed plate, an adjusting block threadedly engaged with a screw hole of the fixed plate, a bimetal plate, and a metal plate. Mounted on the adjusting block are upper and lower positioning rings and a fixing ring b... | 05/13/2008 |
| 7012535 | Battery operated warning sensor An alarm device for signaling when an object reaches a specified condition. The alarm device includes a sensor for detecting the condition of the object. The device further includes a switch element which is closed when the sensor indicates the specified condition. ... | 03/14/2006 |
| 5154226 | Automatic changeover thermostat with single bi-metal and common set lever having individual heat and cool setpoint indicators A single bimetal automatic changeover thermostat has heating, cooling and changeover switches mounted to the bimetal. A single control point adjustment lever for rotating the bimetal has separate shaped heat and cool set point indicators which are movable... | 10/13/1992 |
| 4919196 | Three-stage mercury switch for operation between the heating and cooling mode There is disclosed a thermostat controlled apparatus which controls the operation of a heating system and a cooling system in response to temperature variations in a given environment. The thermostat has a three-electrode mercury switch which is coupled t... | 04/24/1990 |
| 4454493 | Hermetical type thermally responsive switch In a hermetic type thermally responsive switch comprising a fixed contact support having a fixed contact at its end and cantilever disposed in a hermetically sealed vessel, a elongated support supporting a thermally responsive disk which has a movable con... | 06/12/1984 |
| 4317100 | Readily mountable thermostat A thermostat device has control means movable between control positions on a base when a thermostat metal element moves with snap action in response to temperature changes. Angle-shaped mounting brackets of a relatively high strength metal material have r... | 02/23/1982 |
| 4306354 | Method of manufacturing a cradle for use in a thermostat A method of manufacturing a cradle adapted for use in a thermostat to support a plurality of switch means respectively adapted for operation at predetermined trip points. This method includes: fabricating from generally planar and thin material a pluralit... | 12/22/1981 |
| 4271400 | Cradle assembly for use in a thermostat A cradle assembly for supporting a pair of switch means adapted for operation at predetermined trip points. The cradle has a pair of means for mounting the switch means pivotally arranged with each other and adjustably movable toward an adjusted position ... | 06/02/1981 |
| 4233750 | Adjustable surface temperature detector An instrument which detects a rise in temperature of a surface; the instrument including a bimetal sensor disc which contacts a surface that is being serailled by the instrument, and which, when becoming overheated, causes the disc to snap into engagement... | 11/18/1980 |
| 4090166 | Switch structure and calibration technique Disclosed are a switch structure and a calibration technique that facilitate the rapid and substantially automatic calibration of a switch of the type that responds to changes in an environmental parameter (e.g., a thermostatic switch). An abutment member... | 05/16/1978 |
| 3975703 | Thermostat A thermostat having a cover plate rotatable about a central horizontal support in which a bimetal or other thermally responsive member supported on the cover plate actuates a mercury switch also on the cover plate. This cover plate also has upon it indici... | 08/17/1976 |
