Expansible chamber devices – Displacement control of plural cylinders arranged in... – Predetermined discrete incremental adjustment positions
Reexamination Certificate
2006-05-16
2006-05-16
Lazo, Thomas E. (Department: 3745)
Expansible chamber devices
Displacement control of plural cylinders arranged in...
Predetermined discrete incremental adjustment positions
C092S023000
Reexamination Certificate
active
07044047
ABSTRACT:
A series of thin shims with concave profiles matching the cylinder rod is supported from the cylinder. A carrier mechanism attached to either the rod end or cylinder barrel supports a plurality of shims that can be pivoted between storage positions and stop positions. A pivoting and spring loaded latching arm works in conjunction with notches on the shim profile to lock individual shims in either the working or the storage position. Multiple shim stack operating ranges are provided by insertion of thicker shims between the main shim pack and the mating part. The mating part can be a cylinder rod end or cylinder rod guide, depending upon the shim pack carrier mechanism.
REFERENCES:
patent: 3730059 (1973-05-01), Nebout
patent: 4373851 (1983-02-01), Confoey
patent: 5988293 (1999-11-01), Brueggen et al.
patent: 6520067 (2003-02-01), Hunt et al.
Bennett Robert Edwin
Graham William Douglas
Hoehn Kevin William
Deere & Company
Lazo Thomas E.
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