US 12,467,301 B2
Systems and devices for motion control
Timothy John Boundy, Deer Park, IL (US); and Richard Michael Lang, Howey in the Hills, FL (US)
Assigned to Moshun, LLC
Filed by Moshun, LLC, Oak Brook, IL (US)
Filed on Mar. 23, 2023, as Appl. No. 18/188,848.
Claims priority of provisional application 63/322,919, filed on Mar. 23, 2022.
Prior Publication US 2023/0304345 A1, Sep. 28, 2023
Int. Cl. E05F 3/20 (2006.01); E05D 3/02 (2006.01); E05F 1/12 (2006.01); E05F 3/04 (2006.01); E05F 3/10 (2006.01); E05F 3/12 (2006.01); E05F 3/18 (2006.01); E05F 5/02 (2006.01); E05F 5/08 (2006.01)
CPC E05F 3/20 (2013.01) [E05D 3/02 (2013.01); E05F 1/1223 (2013.01); E05F 3/04 (2013.01); E05F 3/10 (2013.01); E05F 3/104 (2013.01); E05F 3/12 (2013.01); E05F 3/18 (2013.01); E05F 5/02 (2013.01); E05F 5/08 (2013.01); E05Y 2201/21 (2013.01); E05Y 2201/212 (2013.01); E05Y 2201/256 (2013.01); E05Y 2201/264 (2013.01); E05Y 2201/474 (2013.01); E05Y 2201/638 (2013.01); E05Y 2800/21 (2013.01); E05Y 2800/41 (2013.01); E05Y 2900/132 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A device for controlling the motion of a door, comprising:
a first hinge leaf that includes a chamber filled at least in part with a shear thickening fluid, the chamber further retaining a bushing and a plunger, wherein the bushing and plunger are connected to a screw and wherein the shear thickening fluid is configured to have a decreasing viscosity in response to a first range of shear rates and an increasing viscosity in response to a second range of shear rates, wherein the second range of shear rates are greater than the first range of shear rates,
a second hinge leaf that includes a nut and a portion of the screw that extends into and threadably engages the nut, and
a piston with an angled portion configured to channel shear thickening fluid into one or more slots of the piston,
wherein when one of the first hinge leaf and second hinge leaf is rotated, the screw rotates such that the piston moves vertically and the piston exerts pressure against the shear thickening fluid, such that motion of the door transitions from a first velocity to a second velocity when the shear thickening fluid correspondingly responds to transitioning from the first range of shear rates to the second range of shear rates, wherein the second velocity is less than the first velocity.