Van Kannel Revolving Door Co., "G.W. Gaden" · Van Kannel Revolving Door Co.;"G.W. Gaden" · leaf 20
mechanism is put together, the wings can be collapsed ontheir hinges and will revolve around the central shaft and assume the positions asshown by dotted lines in figure J 18. In figure J 18 the wings are shown in theirvarious positions. The sohd hnes show wings in rotating position; dotted… … Scale ^=1 Plan Figure J 18 full open vestibule. Each wing is held in its extended position or at right angles to itsadjoining wing by a cable brace as shown. One end of this cable is fastened per-manently to the lock in wings, and the other end of the cable having a square rivethead, is held to the…
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