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 |
| 4793723 | Mechanism for detecting end of ink ribbon in a ribbon cassette The approaching end of usable ink ribbon which is being supplied from a cassette to a serial printer is signaled when a detector member which rides on used ink ribbon as it is wound onto the take-up spool of the cassette, reaches a predetermined distance ... | 12/27/1988 |
| 4408911 | Ink ribbon winding and reversing assembly An ink ribbon winding and reversing assembly suitable for use in a printer having two ratchet wheels for winding ink ribbon spools and an ink ribbon cassette having two rotatably mounted ink ribbon spools is provided. The assembly includes a feeding lever... | 10/11/1983 |
| 4313376 | Imprinter An imprinter having a single driving device for controlling both the movement of the heated printing head and the intermittent advancing movement of the pigmented ribbon. The single driving device, which preferably comprises a reciprocal fluid pressure cy... | 02/02/1982 |
| 4234260 | Device for feeding ink ribbon A device for feeding an ink ribbon for use in a printing machine in which the ink ribbon is reciprocally run by rotating reels on which the ink ribbon is wound. The device has a main drive member, two driven members, a driving force transmission member, a... | 11/18/1980 |
| 4173420 | Paper feeding mechanism in a printer The paper feeding mechanism in a printer has a paper feeding roller and a pressure roller cooperating with the paper feeding roller so as to feed a paper sandwiched therebetween for the printing operation of the paper, and the pressure roller is mounted o... | 11/06/1979 |
| 4083444 | Removable cartridge for an inked ribbon and ribbon feed mechanism for printing machines An inked ribbon cartridge is removably mountable in a printing machine of the type comprising a support for the cartridge, two transport elements engageable with two spools, respectively, of the cartridge around which the ribbon is wound, two sensing elem... | 04/11/1978 |
| 4083445 | Ribbon reversal mechanism for an office machine A mechanism for reversing the movement of an inked ribbon in an office printing machine or the like comprising first and second rotors each for effecting the rotation of one of two ribbon spools on which the ribbon is mounted and a driving element for alt... | 04/11/1978 |
| 4033445 | Ribbon feed device for office machines A ribbon feed device for a ribbon in a cartridge, comprises means for supporting the cartridge with spools therein engaged on hubs of the device, guide means for guiding a length of ribbon looped out of the cartridge, and a single control member operable ... | 07/05/1977 |
| 4019618 | Reversible ribbon drive mechanism A diameter sensing, reversible ribbon drive mechanism including disabling cams pivotal about the axes of the ribbon spools for disabling the drive and detent pawls for one spool and enabling similar pawls for the other spool. A first link connecting the d... | 04/26/1977 |
| 4006811 | Reversing device for the longitudinal advance of a ribbon of type printers A reversing device for the longitudinal advance of a ribbon on type printers for the alternating drive of two reels by means of a feed shaft which is selectively drivingly connectable to one of the gears respectively connected to the reels for the ribbon.... | 02/08/1977 |
| 4000804 | Arrangement for transferring a ribbon from a feed spool to a take-up spool An arrangement for transferring a ribbon from a feed spool to a take-up spool comprises a pair of electric motors each one connected to a corresponding spool for the rotation thereof. The motor connected to the take-up spool is supplied by a constant curr... | 01/04/1977 |
| 3966036 | Inked ribbon feed arrangement An inked ribbon of a high-speed printer for office machines is wound on two spools connected each one with a corresponding electric motor. The ribbon is transferred stroke by stroke from the feed spool to the take-up spool with a substantially constant te... | 06/29/1976 |
