US 12,465,176 B2
Quick release attachment assembly and system for a stand mixer
Matthew R. Hunter, Louisville, KY (US); Joseph Mazzella, Flushing, NY (US); and Mason Hawkins, Louisville, KY (US)
Assigned to Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed by Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed on Nov. 14, 2022, as Appl. No. 17/986,521.
Prior Publication US 2024/0156305 A1, May 16, 2024
Int. Cl. A47J 43/07 (2006.01); A47J 43/044 (2006.01); B01F 101/00 (2022.01); F16B 7/04 (2006.01); F16B 21/16 (2006.01); F16D 1/116 (2006.01)
CPC A47J 43/0705 (2013.01) [A47J 43/044 (2013.01); F16B 7/0413 (2013.01); F16B 21/165 (2013.01); F16D 1/116 (2013.01); A47J 2043/04454 (2013.01); B01F 2101/1805 (2022.01)] 18 Claims
OG exemplary drawing
 
1. An attachment system for a stand mixer, the attachment system comprising:
a ball and sleeve coupling mechanism movable between a loaded position and an unloaded position, the ball and sleeve coupling mechanism comprising a first retaining ball and a shield, wherein the shield supports the first retaining ball along a radial direction in the unloaded position; and
an attachment insert comprising;
a mating portion at a proximal end of the attachment insert along an axial direction, the mating portion defining a plurality of faces and a centrally located passage; and
an insert portion at a distal end of the attachment insert along the axial direction, the insert portion including a receptacle;
wherein the centrally located passage is configured to accept a post comprising a head, the head configured to slidably engage an interior wall of the centrally located passage,
wherein:
the first retaining ball moves inward along the radial direction and is received in the receptacle when the ball and sleeve coupling mechanism is in the loaded position.