US 12,207,388 B2
Fastening system for coupling a computing module to a printed circuit board
Tung-Yi Chen, New Taipei (TW); Kang-Wei Fan, Taoyuan (TW); and Jing-Tang Wu, New Taipei (TW)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Feb. 6, 2023, as Appl. No. 18/164,751.
Prior Publication US 2024/0268016 A1, Aug. 8, 2024
Int. Cl. H05K 1/02 (2006.01); H05K 1/18 (2006.01)
CPC H05K 1/0201 (2013.01) [H05K 1/181 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fastening system, including:
a fastener including:
a hollow shaft;
a threaded portion positioned on an outer surface of the hollow shaft;
a first protrusion extending from an inner surface of the hollow shaft, the first protrusion including:
a first angled surface; and
a first engagement surface;
a nut corresponding to the fastener, including:
a cavity having a threaded portion;
a projection positioned within the cavity of the nut, the projection including:
a first locking feature positioned on an outer surface of the projection, the first locking feature including:
a second angled surface; and
a first locking surface;
wherein, in a first state of engagement of the fastener with the nut, the first angled surface of the first protrusion of the fastener engages with the second angled surface of the first locking feature of the projection to rotate the fastener with respect to the nut in response to a downward force on the fastener, and
wherein in a second state of engagement of the fastener with the nut, a portion of the first engagement surface of the first protrusion is engaged with the first locking surface of the first locking feature to maintain a positioning of the fastener with respect to the nut.