Fastening device for tight attachment between two plates

Details Fastening device for tight attachment between two plates Fastening device for tight attachment between two plates

1999-04-07

2000-08-15

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361697, 361709, 361710, 361735, 361742, 174 163, 165 803, 165185, 257714, 257719, H05K 720

Patent

active

061046140

ABSTRACT:
A fastening device (10) includes a locking pin (12) and an associated pressing clip (14). The locking pin (12) includes a flat head (16) with ring-like shallow (18) therein for easy operational installation of the fastening device (12) unto the heat sink (100) and the PC board (200). A leg section (20) is provided below the head (16), including four locking legs (22) separated from one another by the slots (24) therebetween and extending downward from the head (16). Each leg (22) defines an enlarged tapered section (26) at the distal end with a shoulder section (28) thereabouts for latchable engagement with the back surface (201) of the PC board (200) around the corresponding hole (202) through which the locking pin (12) extends. A ring-like recess (30) is provided on the middle portions of the legs (22) for lowering the insertion force or preventing unnecessary excessive friction during insertion of the locking pin (12) into the corresponding holes (102, 202) of the heat sink (100) and of the PC board (200). A clip resting section (18) is positioned adjacent and under the head (16) with a step (38) therebetween for allowing the base (40) of the clip (14) to be mounted thereunto. Two wings or piers (44) of the clip (14) are provided by two ends of the base (40) of the clip (14).

REFERENCES:
patent: 5943210 (1999-08-01), Lee et al.

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