Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Endless ribbon cartridge










Image Number 2 for United States Patent #4053042.

An endless ribbon cartridge for supplying ribbon to an external printing station with relatively uniform tension and including an anti-fouling mechanism to prevent snarling of the ribbon as it re-enters the cartridge. The cartridge comprises a two-piece housing having a cover and a main body portion with separate exit and entrance slots and interior boundary walls partially defining a ribbon chamber having entrance and exit portions. An endless ribbon is partially received within the chamber in random folds, the remainder of the ribbon traversing a looped path from the chamber exit portion through the housing exit slot and the housing entrance slot to the chamber entrance portion. A capstan and pinch roller assembly is provided adjacent the entrance slot to translate the ribbon along the looped path. Tensioning is located at the chamber exit portion, and optional additional tensioning is located at the exit slot, providing a drag force for maintaining the ribbon tension at the external printing station substantially uniform. These tensioning devices are comprised of a simple spring member having a blade portion and an offset central hub, the spring member being mounted in a flexed position. The boundary wall adjacent the exit portion of the chamber is provided with a relieved channel which receives a mating boss depending downwardly from the inner surface of the cartridge cover member in order to limit motion of the exiting ribbon in the direction transverse to the desired translational direction.








 
 
  Recently Added Patents
Copolymer for positive type lithography, polymerization initiator used in production of said copolymer, and composition for semiconductor lithography
Organic light-emitting display with black matrix
Process for preparing substituted aromatic carboxylic acids
Random sampling for geophysical acquisitions
Solar powered charging shelter and system and method thereof
Curved structural part made of composite material and a process for manufacturing such a part
Alkaline battery
  Randomly Featured Patents
3D optoelectronic packaging
Keyboard musical instruments with transpositional function
Organic antimony containing stabilizer compositions for halogenated polymers
Device for fixing an object to a support, and object incorporating at least one such fixing device
Apparatus and method for controlling and managing individual directed sessions in a communications system
Underfilling material for semiconductor package
Device for material separation using nondestructive inspection imaging
Computer system with environmental manager for detecting and responding to changing environmental conditions
Pizza container
Tunable demultiplexer and tunable laser with optical deflector