Jcooper,
You're correct, the feathering hinge is the pitch change hinge and the Kaman helicopters do not have them. Interestingly, the Kaman rotors do have teetering hinges and they have lead/lag hinges.
Their head is referred to as a teetering hub, but this does not fully describe it.
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Another helicopter with Rigid Rotors:
Here's a picture of a helicopter with rigid rotors that was take in Switzerland last week.
Rigid rotor helicopter added