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US 2010/0140436 A1Published application
Adjusting device with a diminutive positioning assembly
OwnerMu-Chuan WUinventor
Life of this patent
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Abstract
An adjusting device with a diminutive adjustment has an inner tube, an outer tube, an adjusting seat, and a diminutive positioning assembly. The inner tube is movably mounted in the outer tube. The outer tube has a through hole. The adjusting seat is mounted on the outer tube and covers the through hole of the outer tube and has a recess. The diminutive positioning assembly is mounted in the recess of the adjusting seat and has an operating tab. It is convenient and safe to operate the operating tab to diminutively position tan armrest the support or the like of a chair or an exercise machine.
Claims20
An adjusting device comprising:
- an inner tube having
- a tube wall;
- multiple positioning holes formed through the tube wall of the inner tube at intervals;
- and
- an exterior surface;
- an outer tube mounted movably around the inner tube and having
- a tube wall;
- and
- a through hole formed through the tube wall of the outer tube and selectively aligning with any two adjacent positioning holes of the inner tube;
- an adjusting seat attached securely to the tube wall of the outer tube, corresponding to the through hole of the outer tube and having
- a recess formed through the adjusting seat, communicating with the through hole of the outer tube and having
- an inner sidewall;
- and
- a center line;
- a clutch segment formed in the recess;
- and
- a diminutive positioning assembly mounted in the adjusting seat to fasten the outer tube and the inner tube and having
- a positioning shaft having
- a positioning part mounted movably in the recess of the adjusting seat and having
- an outer end;
- and
- a connecting part formed on and protruding out from the outer end of the positioning part and having
- an outer end;
- and
- an inner end;
- and
- a diminutive clutch mounted around the positioning part of the positioning shaft and mounted movably in the clutch segment of the adjusting seat;
- a spring mounted around the positioning part of the positioning shaft and abutting the diminutive clutch;
- and
- an operating tab attached securely to the outer end of the connecting part of the positioning shaft.
27 more elements
Dependencies are inferred from the claim text.