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The big deal appears to be that the're using hydraulic cylinders with what's called a rolling diaphragm: http://machinedesign.com/hydraulics/rolling-diaphragm-
by jobu 12y ago
The big deal appears to be that the're using hydraulic cylinders with what's called a rolling diaphragm: http://machinedesign.com/hydraulics/rolling-diaphragm-seals-stay-strong-under-pressure http://machinedesign.com/hydraulics/rolling-diaphragm-seals-...
It doesn't look like a particularly new innovation, but perhaps something that's not commonly used in robotics?
- tlb 12y agoI've used them in robot arm prototypes, but they're basically 3x as big as regular cylinders (1.5x for the rolling diaphragm overhead, and another 2x because you need two single-acting cylinders instead of a double-acting one).