Patent
1986-09-25
1987-10-27
Griffin, Donald A.
G03B 1524
Patent
active
047025786
ABSTRACT:
The present invention provides an alignment method and cartridge apparatus for an apparatus for generating color text and graphics on photographic media. The cartridge has flanges which project therefrom and which interact with projections on the apparatus to guide the cartridge into secure and consistent alignment. A driving means and locking means for maintaining the driving means in the disengaged position upon withdrawal of the cartridge is also provided. The driving means is preferably a motor connected to a pivoting bracket which has an engagement pin extending therefrom. Biasing means act to urge the driving means into the engaged position. The locking means is preferably a pivoting locking bar having a notch at one end which interacts with the engagement pin extending from the driving means bracket. An actuation pin extends from the pivoting locking bar and bias means act to urge the pivoting locking bar into engagement with the driving means. The cartridge has a first and second shoulder formed thereon and a guide groove formed therein. Upon insertion of the cartridge, the second shoulder engages with the engagement pin of the driving means thereby releasing it from the locking bar. The guide groove simultaneously engages the actuation pin of the locking bar. As the cartridge is further inserted into the apparatus, the guide groove acts to pivot the locking bar away while the shoulder acts to guide the driving means into driving engagement with the rotatable font wheel. Bearing shafts are provided to support the rotatable font wheel against the force of the driving means. Upon withdrawal of the cartridge, the locking bar pivots into engagement with the driving means which is moved into the disengaged position through interaction between the engagement pin and the second shoulder.
REFERENCES:
patent: 3590705 (1971-07-01), Moyroud
patent: 3688672 (1972-09-01), Hanson et al.
patent: 4335941 (1982-06-01), Moyroud et al.
Baker Philip G.
Yurchenco James
Griffin Donald A.
Presentation Technologies, Inc.
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