Electricity: electrical systems and devices – Miscellaneous
Patent
1990-01-31
1991-07-30
Thompson, Gregory D.
Electricity: electrical systems and devices
Miscellaneous
174 50, 361380, 361394, H05K 700
Patent
active
050364324
ABSTRACT:
The present invention concerns a shell structure for a radio telephone. The shell comprises three parts: a box-like part or base (1), a cover part (3), and a locking part (4) having flexible tongues. A finished tested radio telephone unit may be disposed in the box-like base (1), whereafter the cover part (3) is fixed to the base with a small longitudinal movement, and finally, the locking part tongues are depressed into grooves of the base, in which the tongues become locked, locking simultaneously the cover part (3) to the base. The shell structure enables mounting without using screw connectors, whereby the assembly of the shell structure may be automated.
REFERENCES:
patent: 4631640 (1986-12-01), Umetsu et al.
patent: 4672510 (1987-06-01), Castner
patent: 4794489 (1988-12-01), Brown
patent: 4878154 (1989-10-01), Wang
Saarela Matti J.
Uronen Lasse J.
Nokia Mobile Phones Ltd.
Thompson Gregory D.
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