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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 400/686 - Buffer (e.g., dashpot, of particular material, etc.) for movable typewriter element


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein a typewriter includes at least a
No. of patents: 18
Last issue date: 02/13/1990


NumberTitleIssue Date
4900169Print hammer damping mechanism for typewriters and like printing machines
The print apparatus comprises a character-carrying element of the `daisywheel` type with flexible spokes which can be selectively positioned in front of a platen roller, a print hammer for moving a selected character towards the platen roller, an actuatin...
02/13/1990
4739316Structure of portable electronic apparatus
An electronic apparatus such as a compact computer, a compact information processor, and a compact word processor comprises a pivotal cover carrying a display. The pivotal cover is closed on a keyboard of the electronic apparatus. The display is secured o...
04/19/1988
4697939Wire dot printer with improved wire dot head
A wire dot printer has a wire dot head comprising a plurality of electromagnets for attracting each armature to thereby project each wire to a printing position, a first cover provided with a guide for guiding the wires to the printing position, holding m...
10/06/1987
4643600Stabilizing device for hammer bounding at printers
A stabilizing device containing two bonded elastomeric materials with restitution coefficients that vary inversely with temperature changes. The resultant restitution coefficient of the printer hammer back-stopper remains relatively constant regardless of...
02/17/1987
4634303Actuator for dot matrix printhead
An improved dot matrix actuator is provided which includes a magnetic circuit formed of a yoke assembly and a pivotal armature. The armature is pivotally supported with respect to the yoke by means of a flexure assembly which eliminates the need for a tru...
01/06/1987
4529326Print hammer for printers and typewriters
A print hammer for printers and typewriters comprises a hammer rod (11) which is axially movable in a housing (17, 18). The hammer rod is biassed towards a rest position by a spring and can be moved to a print position by a drive means, for example a sole...
07/16/1985
4496253Impact hammer
The inventor discloses a hammer assembly suited for use in generating impact for printers, such as printers using daisy-wheels. The assembly comprises an electromagnetic assembly for selectively producing an electromagnetic field across an air gap. A hamm...
01/29/1985
4490057Print wire solenoid
A matrix print wire solenoid used in a wire matrix printer and including an enclosure member releasably secured to one end of the solenoid by a spring member deformed by the outer surface of the enclosure member to pre-load the enclosure member and an ene...
12/25/1984
4430936Striker mechanism for a high speed serial printer
A striker mechanism for a high speed serial printer, for example of the daisy wheel type, includes a hammer movable axially towards the platen under the action of an electro-magnet whose armature carries a striker, and against the action of a return sprin...
02/14/1984
4373708Thrust absorption mechanism
A shock absorption thrust mechanism includes a thrust piece (19) which is used as a stop for a moving body in motion. This thrust piece 19 is prone to displacement under the effect of kinetic energy of the moving body, against the action of a spring (20) ...
02/15/1983
4364682Acoustic member mounting means for use in typewriters
An acoustic member mounting means for use in typewriters and similar machines wherein the mounting means includes first and second vibration insulating means which prevents undesired sound waves from being generated in the acoustic member....
12/21/1982
4359289Counterbalanced bidirectional shuttle drive having linear motor
An arrangement for bidirectionally driving a hammer bank shuttle assembly along a linear path in a line printer includes an opposite pair of circular, rotatable elements having an elongated shuttle assembly mounting element and an elongated counterbalanci...
11/16/1982
4268178Anti-bounce projectile collecting surface for microballistic printer
My invention relates to a microballistic printer in which I provide a collector wall normally struck by projectiles rebounding from the platen of the printer with an anti-bounce surface. The surface comprises a thin and flexible sheet spaced from the wall...
05/19/1981
4227456Printing pressure buffer mechanism or constant pressure printing mechanism for hand-operated label printing machine
In a hand-operated label printing machine, including a hand lever and a printing head attached to the hand lever; a printing pressure buffer mechanism or a constant pressure printing mechanism which comprises: in a first embodiment, a spring-actuated enga...
10/14/1980
4201133Printing pressure damping mechanism for hand labeler
A printing pressure damping mechanism for use with a hand labeler: a hand lever is pivotally connected to the frame of the hand labeler. A printing head is carried by the hand lever so that it may move toward a printing platen when the hand lever is squee...
05/06/1980
4195826Arrangement for a low-noise and low-shock interception of moving masses
In the illustrated embodiments, an elastomer body has a relatively thin metal layer overlying the elastomer surface to be loaded so as to prevent adhesion at the elastomer surface in spite of a long period of dwell in contact with a relatively more rigid ...
04/01/1980
3960250Skirted dashpot piston
An improved decelerating mechanism of the dashpot type in which the piston normally leaves the cylinder on each operating cycle and has a sealing ring cantilevered in the direction of piston travel having a deep undercut whereby air pressure of the air co...
06/01/1976
3944029Damper for printing and the like
A damper for line printers and the like in which the print head moves from left to right across a paper document during the printing phase and upon completion of a line of print, moves in the "carriage return" direction at a more rapid rate to return to t...
03/16/1976
 
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