IP Library › Granted Patent US 12703453
Granted Patent B2
US 12703453 · App. 18/381,122 · Granted Aug 11, 2026

Fork arch

Inventors: Daniel McCormick (Mills River, NC); Bryan Wesley Anderson (Horse Shoe, NC); Joshua Coaplen (Asheville, NC)
Assignee: Fox Factory, Inc.
B62K25/08
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Quick Facts
Patent No.
US 12703453
App. No.
18/381,122
Granted
Aug 11, 2026
Kind
B2
Abstract

A fork arch is disclosed. The fork arch includes a torsional geometry portion to provide torsional stiffness. The fork arch also includes a transverse geometry portion to provide transverse shear stiffness, the transverse geometry portion intermingled with the torsional geometry portion to provide an optimized hybrid torsion and transverse shear stiffness for the fork arch.

Claims (17)

1 . A suspension, comprising:

a first upper tube telescopically engaged with a first lower tube;

a second upper tube telescopically engaged with a second lower tube;

a fork arch connecting the first lower tube with the second lower tube, wherein the fork arch comprises at least one portion having an aspect ratio that is greater than one, wherein the at least one portion is selected from a group consisting of a torsional geometry portion and a transverse geometry portion, and wherein the aspect ratio of the other of said torsional geometry portion or said transverse geometry portion is less than one; and

at least one material removal region that is located in a location selected from a group consisting of said torsional geometry portion, said transverse geometry portion, and a combination of said torsional geometry portion and said transverse geometry portion.

2 . The suspension of claim 1 , wherein the aspect ratio is a depth-to-width ratio.

3 . The suspension of claim 1 , wherein at least a portion of the torsional geometry portion extends in a longitudinal direction of a bicycle.

4 . The suspension of claim 1 , wherein the fork arch has a depth and a width that are variable along the length of the fork arch.

5 . The suspension of claim 1 , wherein said at least one material removal region is selected from at least one member of the group consisting of: an opening, a thinning without an opening, a depression without an opening, a protrusion without an opening, and a groove without an opening.

6 . The suspension of claim 1 , wherein at least one portion of a torsional geometry portion has a depth that is greater than a depth of at least one portion of a transverse geometry portion.

7 . The suspension of claim 1 , wherein a first leg portion of the torsional geometry is asymmetrical with a second leg portion of the torsional geometry.

8 . A suspension component, comprising:

a first lower tube;

a second lower tube; and

a fork arch connecting the first lower tube with the second lower tube, wherein the fork arch comprises a torsional geometry portion and a transverse geometry portion, wherein a majority of the torsional geometry portion has a depth-to-width ratio that is greater than one.

9 . The suspension component of claim 8 , further comprising at least one material removal region that is located in a location selected from a group consisting of said torsional geometry portion, said transverse geometry portion, and a combination of said torsional geometry portion and said transverse geometry portion.

10 . The suspension component of claim 9 , wherein said at least one material removal region is selected from at least one member of the group consisting of: an opening, a thinning without an opening, a depression without an opening, a protrusion without an opening, and a groove without an opening.