Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 4064948 | Power wrench A power wrench in which an output shaft is powered by a motor via a magnetic torque responsive release clutch, and in which a torque non-responsive clutch is connected between the release clutch and the output shaft. Cam teeth which are associated with th... | 12/27/1977 |
| 4063625 | Improved screw or nut runner A screw or nut runner for tightening screw joints wherein a speed related braking force is applied upon those rotating parts of the nut runner that are positively coupled to the screw joint, thereby avoiding the influence of the inertia factor upon the ob... | 12/20/1977 |
| 4063707 | Valve protective mechanism for power operated valves A protective mechanism is provided for valves having a nut through which a power-driven valve stem is threaded. The mechanism functions to protect the valve seat against the continuation of thrust of the valve-stem closure element against the valve seat a... | 12/20/1977 |
| 4049104 | Power operated torque tool In a power operated torque tool, the pressure-fluid feed is controlled by a valve which opens to start the tool, and closes to stop it. This valve is mounted on the end of a push-rod which extends along the axis of the tool. The tool also has a clutch whi... | 09/20/1977 |
| 4046241 | Over-ride mechanism for screw drive actuator A spring clip over-ride mechanism for screw drive actuators which convert rotary motion to linear motion. The screw drive actuator of the invention has a tubular rotatably driven member and a screw threaded rod axially located inside the tubular member. T... | 09/06/1977 |
| 4040509 | Autonomous group for mechanical control of machines Motor rotated cams each actuate a lever and each lever is connected by a flexible non-extensible member, cable or chain, to the element of the machine to be controlled. A spring loaded bell crank lever is provided for each flexible non-extensible member a... | 08/09/1977 |
| 4023430 | Impact absorbing, overload protection apparatus for machine tool An impact absorbing device for protecting a rotatable member of a motor powered machine tool feed mechanism from excessive impact and overload is disclosed. The device includes structure forming a flanged piston concentrically mounted with respect to the ... | 05/17/1977 |
| 4010679 | Piezoelectric transducer sensor for use in a press A piezoelectric transducer is positioned on a member of a power press subject to stress under dynamic conditions. A ball joint bracket means fixes and maintains the transducer on the member parallel with the direction of force and with the faces of the pi... | 03/08/1977 |
| 4006785 | Power tool A clutch connects the drive motor to the rotatable tool holder. The driven part of the clutch has a plurality of clutch recesses bounded by sloping clutch ridges, with clutch balls received in the recesses. An annular pressure body surrounds the driving p... | 02/08/1977 |
| 3993145 | Power tool A power tool, particularly a power screwdriver, has a housing which accommodates a drive, and a tool holder which is rotatably mounted in the housing, together with a rotatable component that is connected with the drive to be rotated by the same. A coupli... | 11/23/1976 |
| 3981382 | Safety clutch device A clutch or coupling device for interconnecting a drive shaft to an axially aligned driven shaft which supports drive sprockets for chain belt conveyor of a press characterized by a disk member connected to the drive shaft for rotation therewith and havin... | 09/21/1976 |
| 3971291 | Apparatus for cocking a breechblock An apparatus for cocking a breechblock of an automatic firing weapon equipped with an electric motor which is operatively connected through the agency of an electromagnetic coupling with a displacement mechanism for the breechblock in order to move the br... | 07/27/1976 |
| 3956905 | Clutch An adjustable torque-limiting coupling, or clutch, consisting of a driving member, a driven member, and a coupling assembly comprising a tapered helical spring and means for adjusting the position of the spring.... | 05/18/1976 |
| 3955661 | Apparatus for opening and closing door members and the like An improved apparatus for opening and closing door members and the like such as elevator doors and garage doors, for example, wherein the driver rotatingly drives a driver shaft coupled to a driven shaft via a ball drive assembly, the ball drive assembly ... | 05/11/1976 |
| 3955662 | Torque limiting wrench A power tool having an adjustable torque-limiting coupling and a shut-off means, the coupling (or clutch) consisting of a driving member, a co-axial driven member and a coupling assembly comprising a tapered helical spring and means for adjusting the posi... | 05/11/1976 |
| 3930382 | Torque limiting coupling A safety coupling which provides positive torque transfer and which disengages above a disengagement torque. The safety coupling comprises two coupling halves which are engaged to restrict axial movement. Some rollers restricted by a first coupling half a... | 01/06/1976 |
