Spacers for use with actuator casings

Details Spacers for use with actuator casings Spacers for use with actuator casings

2008-04-29

2008-04-29

Lazo, Thomas E. (Department: 3745)

Expansible chamber devices

Cylinder detail

Cylinder or liner retained in casing by casing closure or...

C092S094000, C029S888060

Reexamination Certificate

active

07363851

ABSTRACT:
Spacers for use with actuator casings are disclosed. An example spacer includes a ring-shaped member defining a central opening and configured to form a part of an actuator casing and to space first and second actuator casing portions a predetermined distance when the first and second casing portions are coupled to the ring-shaped member. The ring-shaped member includes a first surface surrounding the central opening configured to engage the first casing portion and a second surface surrounding the central opening configured to engage the second casing portion. Each of the first and second surfaces includes a plurality of apertures configured to receive threaded fasteners to attach the first and second actuator casing portions to the ring-shaped member.

REFERENCES:
patent: 3064685 (1962-11-01), Washnock et al.
patent: 3385172 (1968-05-01), Kaminga
patent: 3571883 (1971-03-01), Doolittle
patent: 3838630 (1974-10-01), Kobelt
patent: 4522111 (1985-06-01), Kobelt
patent: 5167182 (1992-12-01), Sims
patent: 6840154 (2005-01-01), Modinger et al.
patent: 2003/0172806 (2003-09-01), Modinger
International Search Report Corresponding to International Application PCT/US2007/000865 mailed Jun. 6, 2007, 5 pages.
Written Opinion of the International Searching Authority Corresponding to International Application PCT/US2007/000865 mailed Jun. 6, 2007, 6 pages.

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