Electrical connectors – With coupling movement-actuating means or retaining means in... – Coupling part for receiving edge of planar board moving...
Patent
1988-05-16
1989-09-26
Abrams, Neil
Electrical connectors
With coupling movement-actuating means or retaining means in...
Coupling part for receiving edge of planar board moving...
439348, 439372, 211 41, H01R 1362
Patent
active
048696803
ABSTRACT:
Retainer apparatus that functions not only to retain a PC board into a channel in a housing, but also to simultaneously guide the board downwardly into a predetermined installation position in which an electrical connector carried by the board is properly coupled to a mating connector carried by the housing. The retaining apparatus includes a rod assembly mounted for rotation about its longitudinal axis, along one side edge of the PC board. The rod assembly's lower end engages a helical guide receptacle secured to the housing, to guide the rod assembly, and thus the PC board, downwardly into the desired installation position, in response to a controlled rotation of the rod assembly. When the rod assembly has been controllably rotated to the point where the board has been drawn fully into its installation position, a series of spring-biased balls carried along the length of the rod assembly will project outwardly from the PC board and thus increase the combined effective thickness of the board and rod assembly, to retain the board and rod assembly within the housing channel.
REFERENCES:
patent: 3970198 (1976-07-01), Prater
patent: 4318157 (1982-03-01), Rank et al.
patent: 4354770 (1982-10-01), Block
patent: 4414605 (1983-11-01), Chino et al.
Tridair Industries Fastener Division, Data Sheet No. 102, "Duo-Lok Impedance-Type, Self-Retained Bolts".
McCarty, Lyle H., "Quarter Turn Locks PCBs Positively," DESIGN NEWS, Mar. 3, 1986, pp. 196-197.
Read Frank C.
Yamamoto Albert K.
Abrams Neil
Nguyen Khiem
Rexnord Inc.
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