I can tell you why they changed from the first type to the second. Back when Dr. Schoeps (the co-founder of the company) was still alive and Jerry Bruck was the U.S. representative, Jerry used to visit the Schoeps factory every year. On one of his visits during the 1970s Dr. Schoeps asked him what he thought of the shock mount design, which Dr. Schoeps was apparently rather proud of.
Jerry did a lot of film sound back then, and was used to working in a hectic and sometimes uncontrolled environment unlike the European broadcast and recording studios that were Schoeps' biggest customers at the time. Jerry told Dr. Schoeps, "I'll show you the problem," and to Dr. Schoeps' horror he took the shock mount, put it on the floor and stepped on it. Not very hard--but enough to crush it.
Dr. Schoeps arranged for the new design to be created soon after that.
--best regards