Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5222844 | Air logic circuit for airfeed peck drill An improvement to an air logic circuit for an airfeed peck drill includes the insertion of an advance valve into the timer circuit. This advance valve generates a signal to actuate the timer circuit only after the drill quill has fed forward through rapid... | 06/29/1993 |
| 5060772 | Power-operated tool The power-operated tool, preferably a screw driving implement, includes a switching clutch which transfers the torque from the drive shaft to the output shaft. Upon reaching the given reactive maximum torque, the switching mechanism is activated to turn o... | 10/29/1991 |
| 4929921 | Automatable fuse A method of manufacturing a fuse includes wrapping the fuse element on an insulating bridge. The ends of the bridge include a metal foil coating which helps increase the conductivity and reliability of the solder bond between the fuse element and end ferr... | 05/29/1990 |
| 4928384 | Method of making a wire bonded microfuse A microfuse (10) with a ceramic chip (12), thick film pads (14), fusible wire (16), attached to pads (14) without solder or flux, ceramic coating (18) and plastic body (20). External lead (24) configuration can be axial, radial or surface mount. The metho... | 05/29/1990 |
