B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
B66B 5/00 (2006.01) E04G 21/32 (2006.01)
Patent
CA 2082026
ABSTRACT A net (28) is yieldably supported in an elevator shaft (22) to permit a controlled, decelerated descent of an object (26) falling down the shaft (22). The net (28) is automatically closed and maintained in a closed state by closure rings (80,82) that slide along tethers (58,60,62,64) attached to the net (28).
Nusbaum Howard
Nusbaum Robert
Selick Barbara
Swabey Ogilvy Renault
LandOfFree
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