Octahedral machine tool frame
Off-vertical pumping unit
Oil well pump power unit
Oil well pumping apparatus and method
Oil well pumping mechanism
Omnidirectional oscillator (glover gear)
Opening and closing type interior device
Operating apparatus for clean room
Operating apparatus for sliding closures for railway car
Operating arm for an earth-moving and foundation machine
Operating mechanism for reciprocating component
Operating mechanisms
Operation initiator
Operator cab tilting apparatus
Optical window protective shutter mechanism
Orbiting mass oscillator with oil film cushioned bearings
Oscillating member for transforming a rotary motion into a recip
Oscillation generating apparatus
Oscillation generating device
Oscillation lever arm engine