Browse Prior Art Database

Bar Code Interposer And Attachment System

IP.com Disclosure Number: IPCOM000099648D
Original Publication Date: 1990-Feb-01
Included in the Prior Art Database: 2005-Mar-15
Document File: 2 page(s) / 54K

Publishing Venue

IBM

Related People

Duncan, RR: AUTHOR [+5]

Abstract

This article describes a low-cost implementation of a bar code interposer for a line printer and its attachment or mounting with respect to the hammer unit of the printer.

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This is the abbreviated version, containing approximately 100% of the total text.

Bar Code Interposer And Attachment System

       This article describes a low-cost implementation of a bar
code interposer for a line printer and its attachment or mounting
with respect to the hammer unit of the printer.

      Referring to Fig. 1, a bar code interposer 5 is attached to a
printer forms guide 1 with a metal spring bar 6 and plastic plunger
clip 7.  This design allows easy replacement of the interposer,
provides low paper drag friction and does not contain sharp edges
which could tear the paper during forms advance.

      A thin plastic sheet interposer 5 is attached to metal spring
bar 6 with double-sided tape.  Tab 4 of metal bar 6 locates in slot
3.  Plastic plunger clip 7 passes through hole in bar 6 and connects
to hole 8 in forms guide 1 (refer to Fig. 2).  Tab 4 and plastic
clip 7 physically secure the bar 6 and interposer 5 to midforms guide
1 and prevent the interposer from shifting during printing.  Three
magnets 2 hold the bar 6 against the midforms guide 1.  This prevents
the bar from bowing away from the forms guide and interfering with
paper motion.

      Referring to Fig. 3, forms guide 1 is located around the hammer
unit 9.  Interposer 5 covers the hammer unit print line 10.