Single-piece air cylinder for a fluid coupling device

Details Single-piece air cylinder for a fluid coupling device Single-piece air cylinder for a fluid coupling device

2005-11-10

2008-10-07

Leslie, Michael (Department: 3745)

Expansible chamber devices

Cylinder detail

C092S1650PR

Reexamination Certificate

active

07430956

ABSTRACT:
A single-piece air cylinder (“air cylinder”) for a pneumatic fan drive system. The air cylinder is comprised of a single-piece stamping having a stepped tab portion for attaching to a piston rod of the pneumatic fan drive system. The air cylinder has a cylinder portion and a washer portion extending concentrically inward from the cylinder portion. The washer portion defines an aperture and has the stepped tab portion extending into the aperture. This air cylinder has a sufficiently robust construction for resisting fatigue over a significant number of operation cycles. Additionally, the air cylinder has a substantially robust construction for resisting damage associated with dropping or otherwise mishandling the air cylinder.

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