US 12,219,726 B2
Detent for retention of information handling resource
Eduardo Escamilla, Round Rock, TX (US); and Gilberto Hernandez, Pharr, TX (US)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Aug. 18, 2022, as Appl. No. 17/890,419.
Prior Publication US 2024/0064918 A1, Feb. 22, 2024
Int. Cl. H05K 7/14 (2006.01); G06F 1/18 (2006.01)
CPC H05K 7/1402 (2013.01) [G06F 1/185 (2013.01); H05K 7/1431 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An information handling system, comprising:
a motherboard comprising a mechanical post extending from a surface of the motherboard; and
a riser card assembly comprising:
a circuit board;
a cable configured to communicatively couple the circuit board to the motherboard;
a connector configured to receive an expansion card to communicatively couple the expansion card to the motherboard; and
a detent assembly configured to mechanically couple the riser card assembly to the motherboard, the detent assembly comprising:
a pin mechanically coupled to a surface of the riser card assembly and extending from the surface of the riser card assembly and configured to mechanically engage with a first feature of the mechanical post in order to align the riser card assembly to the motherboard; and
a detent mechanically coupled to the pin and having an annular shape, the detent configured to mechanically engage with a second feature of the mechanical post in order to mechanically retain the riser card assembly with the motherboard.