US 12,352,303 B2
Fixing element and heat dissipation unit using same
Wen-Ji Lan, New Taipei (TW)
Assigned to ASIA VITAL COMPONENTS CO., LTD., New Taipei (TW)
Filed by ASIA VITAL COMPONENTS CO., LTD., New Taipei (TW)
Filed on May 29, 2023, as Appl. No. 18/202,958.
Prior Publication US 2024/0401633 A1, Dec. 5, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F16B 41/00 (2006.01); F16B 39/10 (2006.01); H05K 7/20 (2006.01)
CPC F16B 39/10 (2013.01) [F16B 41/002 (2013.01); H05K 7/2039 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A fixing element, comprising:
a screw being provided at a lower end with an annular groove for receiving a retaining ring therein, and having a spring externally fitted thereon;
a sleeve having an open upper end, an open lower end, and an internal hollow receiving space defined between and communicable with the open upper and lower ends; and including a pair of windows, which are formed on the sleeve near the open upper end thereof and correspondingly located at two opposite positions, the windows respectively having an upper edge and being communicable with the receiving space; and the screw being disposed in the receiving space of the sleeve; and
a spring retaining ring defining an inner opening for fitting on around an outer surface of the sleeve; the spring retaining ring having an upper side surface, from which a hooked arm set is extended upward; the hooked arm set including a plurality of hooked arms that are extended through the windows into the receiving space to press against a top end of the spring, so that the spring is held down in the sleeve in a compressed state.