Electricity: conductors and insulators – Insulators – Special application
Patent
1991-09-30
1993-06-29
Picard, Leo P.
Electricity: conductors and insulators
Insulators
Special application
174138G, 174166S, 361412, H01B 1724, H05K 712
Patent
active
052236749
ABSTRACT:
The present invention pertains to standoff devices used to hold a circuit board a fixed distance from a mounting surface such as another circuit board. The present invention divides the standoff into two interacting members. The first member has a base and two arms disposed to define a receiving slot between the two arms. The second member is comprised of a head portion, a tapered portion, and a tongue portion. The second member is slidably disposed within the receiving slot of the first member, and is capable of being locked into place in two distinct locking positions within this receiving slot. By sliding the second member from the first locking position to the second locking position, the standoff is locked into place between the circuit board and the mounting surface. The present invention discloses a secure locking system utilizing locking projections and cooperating depressions to accomplish this locking function. The present invention further pertains to improved methods of installing standoffs resulting from such a locking standoff.
REFERENCES:
patent: 4007516 (1977-02-01), Coules
patent: 4100368 (1978-07-01), Thomsen
patent: 4502193 (1985-03-01), Harmon et al.
patent: 4970761 (1990-11-01), Nakamura
U.S. Publication "Engineered Plastic Fasteners" Pub. by Phillips Plastics Corp Jan. 1990.
U.S. Publication "ITW Fastex Where The world is Turning for Fastening Solutions." Pub. by Illinois Tool Works, Inc., Copyright 1991.
Picard Leo P.
Sough Hyung S.
Sun Microsystems Inc.
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