US 12,240,284 B2
High stroke efficiency hydraulic bump stop
Matthew Stewart, Buford, GA (US); and Ola Christopher Nilsson, Flowery Branch, GA (US)
Assigned to Fox Factory, Inc., Duluth, GA (US)
Filed by Fox Factory, Inc., Duluth, GA (US)
Filed on Jul. 19, 2022, as Appl. No. 17/868,355.
Claims priority of provisional application 63/224,254, filed on Jul. 21, 2021.
Prior Publication US 2023/0021701 A1, Jan. 26, 2023
Int. Cl. B60G 15/06 (2006.01); B60G 17/08 (2006.01)
CPC B60G 15/061 (2013.01) [B60G 17/08 (2013.01); B60G 2202/30 (2013.01); B60G 2204/45 (2013.01); B60G 2206/41 (2013.01); B60G 2500/11 (2013.01); B60G 2800/162 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A hydraulic jounce bouncer comprising:
a damper body;
a shaft telescopically engaged with said damper body;
a piston slidably disposed within said damper body and threadedly coupled to a first end of said shaft, wherein said piston has at least one compression port therethrough;
a negative spring disposed between said shaft and said damper body; and
an internal floating piston disposed within said shaft.