Thermal ink-jet pen with a plastic/metal attachment for the cove

Details Thermal ink-jet pen with a plastic/metal attachment for the cove Thermal ink-jet pen with a plastic/metal attachment for the cove

1992-12-22

1997-03-11

Bobb, Alrick

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

298901, 29453, B41J 2175

Patent

active

056106440

ABSTRACT:
A thermal ink-jet (TIJ) pen including a plastic frame structure and side covers. To attach the covers to the plastic frame without the use of adhesives, screws, thermal or ultrasonic processes, protruding metal tabs from the cover are press fit into corresponding recess features of the plastic frame. The tabs are designed to displace plastic surrounding the frame recesses to lock the cover to the frame. The resulting frame/cover seam resists shear, axial and transverse forces that occur as a result of externally applied loads to the pen.

REFERENCES:
patent: 3913774 (1975-10-01), Vajtay
patent: 4616764 (1986-10-01), Utoh et al.
patent: 4739339 (1988-04-01), De Young et al.
patent: 4931811 (1990-06-01), Cowger et al.
patent: 5451995 (1995-09-01), Swanson et al.
patent: 5464578 (1995-11-01), Salter et al.

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