Patent Number: 053609743
Section: claims

1. A flexure carriage comprising: a base;  an intermediate carriage;  an inner carriage;  a plurality of first flexures, each having a lower and upper end, the lower end of each said first flexure integrally formed on the top of said base and extending vertically above said base, the upper end of each said first flexure integrally formed on the bottom of said intermediate carriage, and  a plurality of second flexures, each having a lower and upper end, the upper end of each said second flexure integrally formed on the bottom of said intermediate carriage and extending vertically below said intermediate carriage, the lower end of each said second flexure integrally formed on the top of said inner carriage.  a flexure carriage comprising;  means for supporting said flexure carriage;  a plurality of piezo actuators, each interposed between one of said support means and said flexure carriage;  a plurality of spring members opposing each said piezo actuator, the first end of each spring member disposed on said flexure carriage, the second end of each spring member disposed on one of said support means, each said spring member urging said flexure carriage toward said piezo actuator opposing each respective opposing spring member.  a plurality of two dimensional flexures, interposed between each of said piezo actuators and said flexure carriage, and between each of said piezo actuators and said support means.  a plurality of bearings, each interposed between each of said piezo actuators and its respective said two dimensional flexure.  a base;  an intermediate carriage;  an inner carriage;  four first flexures, each having a lower and upper end, the lower end of each said first flexure integrally formed on the top of said base and extending vertically above said base, the upper end of each said first flexure integrally formed on the bottom of said intermediate carriage, and  four second flexures, each having a lower and upper end, the upper end of each said second flexure integrally formed on the bottom of said intermediate carriage and extending vertically below said intermediate carriage, the lower end of each said second flexure integrally formed on the top of said inner carriage. 2. A flexure assembly comprising: 3. The flexure assembly as in claim 2, further comprising: 4. The flexure assembly as in claim 3, further comprising: 5. A dual quad flexure carriage comprising: