Appeal 2007-1793
Application 10/911,196
8. As such, Hubweber’s locking arrangement is at least partially secured,
via collar 12, to the housing (cylinder 1).
9. Hubweber’s locking arrangement includes a locking sleeve (the one-
piece collet 7 and wall 4) having an upper section (wall 4) and a lower
section (collet 7) (Hubweber, col. 2, ll. 22-23), and contains parts in
addition to the locking sleeve, viz, collar 12 and spring 9.
10. Hubweber discloses gas pressure below piston 3 to bias piston rod 2
outwardly of cylinder 1 (Hubweber, col. 1, ll. 57-61)
11. As such, Hubweber discloses a spring extending between the guide
member (piston 3) and the bottom end of the housing (lower, closed
end of cylinder 1).
12. Gottling describes “a piston rod connected to a working piston”
(Gottling, col. 1, ll. 14-15).
13. Gottling does not state where the piston is located and does not show
the piston positioned in an internal chamber of the housing.
14. Gottling discloses a braking apparatus 10 comprising a housing 12 of
a working cylinder 14 (Gottling, col. 2, ll. 54-56).
15. As shown in Figure 1, the housing 12 is closed on one end (shown on
the right side of Figure 1), and the piston rod 20 extends through this
closed end of the housing.
16. If the piston is attached to the end of piston rod 20 that extends
through the closed end of housing 12, then the piston would be
positioned outside of the internal chamber of the housing.
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