Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1027
the move-ment of either lever will compress-spring, K. Direct Acting Plunger Type,—A direct acting plungerelevator consists of a cylinder set vertically in the grounddirectly under the car, and of length a few feet greaterthan the travel of the elevator car. In this cylinder is aplunger of the same… … Fig. 418direct acting plunger elevator Hydraulic Elevators 999 The success of this elevator depends largely upon themerits of the operating mechanism. In the installation ofthis type of hydraulic elevator it is necessary to sink the ihole for the reception of the cylinder to a depth equalto the…
