IP Library › Granted Patent US 12710084
Granted Patent B2
US 12710084 · App. 18/243,047 · Granted Aug 18, 2026

Device for controlling fluid flow in a shock assembly

Inventor: Yi-Hong Chou (Taichung, TW)
Assignee: Fox Factory, Inc.
F16F9/50F16F9/3485F16F9/3488F16F9/56F16F9/342F16F9/466F16F2222/12F16F2228/08F16F2230/42
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12710084
App. No.
18/243,047
Granted
Aug 18, 2026
Kind
B2
Abstract

A device for controlling fluid flow in a shock assembly is disclosed. The device includes a single adjustable fluid circuit configured for controlling a damping force associated with multiple compression forces. The single adjustable fluid circuit comprises a fluid passageway through a base valve and a positionally adjustable piston assembly with a floating shim stack positioned at one end of the fluid passageway, the positionally adjustable piston assembly with the floating shim stack configured for selectively blocking a flow of fluid through the fluid passageway.

Claims (17)

1 . A shock assembly comprising:

a damper comprising:

a single adjustable fluid circuit configured for controlling a damping force associated with multiple compression forces of said shock absorber, wherein said single adjustable fluid circuit comprises:

a fluid passageway through a base valve; and

a positionally adjustable piston assembly comprising a floating shim stack, said positionally adjustable piston assembly configured for selectively blocking a flow of a fluid through said fluid passageway; wherein a compression event causes said fluid to apply a compression force on said positionally adjustable piston assembly, said compression force causing said positionally adjustable piston assembly to move in a compression direction.

2 . The shock assembly of claim 1 , wherein said positionally adjustable piston assembly is positioned at one end of said fluid passageway.

3 . The shock assembly of claim 1 , further comprising:

a compression force adjuster to modify a compression force setting of said damper;

a needle coupled between said compression force adjuster and said positionally adjustable piston assembly; and

a shaft coupled with said needle.

4 . The shock assembly of claim 3 , wherein said shaft is threadedly coupled with said needle.

5 . The shock assembly of claim 3 , wherein a position of said positionally adjustable piston assembly is adjustable relative to said shaft.

6 . The shock assembly of claim 3 , wherein said positionally adjustable piston assembly is configured to move longitudinally with said needle.

7 . The shock assembly of claim 1 , further comprising:

said positionally adjustable piston assembly coupled with a needle; and

said compression force configured to move said positionally adjustable piston assembly coupled with said needle toward a shaft.

8 . The shock assembly of claim 1 , wherein said positionally adjustable piston assembly is configured to apply an additional preload force to at least one shim of said floating shim stack when said positionally adjustable piston assembly is in contact with said at least one shim.