Negative air spring volume sealhead for air-spring assembly

An air-spring assembly configured to be disposed within at least one of a lower tube or an upper tube of a suspension fork, the air-spring assembly comprising:

• a shaft comprising a first end and a second end opposite the first end,
• a piston attached to the shaft at a first end, and a topout bumper attached along the shaft, the piston configured to translate within a cylinder defined by the at least one of the lower tube or the upper tube, the piston defining a positive air chamber and a negative air chamber;
• and
• a sealhead assembly positioned proximate the negative air chamber, the sealhead assembly comprising:
• a sealhead body comprising an outer wall and an inner wall, the inner wall defining an aperture in which the shaft is movably received;
• a chamber positioned between the outer wall and the inner wall in communication with the negative air chamber such that a volume of the negative air chamber is increased;
• and
• a topout plate comprising at least one opening in communication with the chamber.

A sealhead assembly, comprising:

• a sealhead body comprising an outer wall and an inner wall, the inner wall defining an aperture configured to receive an air piston shaft;
• a hollow chamber positioned between the outer wall and the inner wall;
• and
• a topout plate comprising at least one opening in communication with the hollow chamber.