Apparatus for magnetically coupling a lead screw to a print head

Details Apparatus for magnetically coupling a lead screw to a print head Apparatus for magnetically coupling a lead screw to a print head

1997-03-12

1998-10-06

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347 37, 346139D, B41J 247, B41J 2435, B41J 2300, G01D 1516

Patent

active

058184970

ABSTRACT:
An apparatus for maintaining a predetermined positional relationship of a screw, the apparatus comprises a ball bearing track having a first and second track member in a spaced apart relationship, and having a ball bearing therein for permitting rotation of the first track member with respect to the second member, and an element in a spaced apart relationship with respect to the ball bearing track for permitting the element to provide magnetic attraction between the first track member and the element.

REFERENCES:
patent: 5036266 (1991-07-01), Burke
patent: 5300957 (1994-04-01), Burke

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