US982457A - Elevator-controlling means. - Google Patents

Description

A. AMORY.

. ELEVATOR CONTROLLING MEANS. APPLICATION FILED APR.6,1909.

Patented Jan. 24, 1911.

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TTNTTED STATES PATENT @FFTQEE.

ARTHUR AMORY, 0F BOSTON, MASSACHUSETTS.

ELEVATOR-CONTROLLING MEANS.

To all whom "it may concern:

Be it known that I, ARTHUR AMoRY, of Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useful Improvements in Elevator-(lontrolling Means, of which the following is a specification, reference being had to the accompanying drawings, forming part thereof.

This invention has reference to improvements in elevator controlling means and particularly in such'means adapted to control hydraulic elevators.

The object of this invention is to so construct an elevator controlling device of this nature that the elevator may be controlled exteriorly from any point included within the limits of its traverse and may be caused to move upward or downward.

Other objects of the invention will appear from the following description.

The invention consists in such peculiar features of construction and combination of parts as shall hereinafter be more fully described and pointed out in the claims.

Figure 1, represents a sectional view of an elevator well and portions of a building with a view, of an elevator and the improved ele vator controlling system. Fig. 2, represents a sectional view taken on line 22 Fig. 1. Fig. 3, represents a sectional view taken on line 33 Fig. 2.

Similar numbers of reference designate corresponding parts throughout.

As shown herein, in the preferred form, a represents the usual elevator well or shaft of a building having floors 5, 0, (Z and 6. Within the elevator well a is vertically movable the elevator car 5 which is mounted on the plunger or piston 6 slidably mounted in the head 7 of the usual pressure cylinder 8. Communicating with the cylinder 8 is a combined supply and exhaust pipe therefor, this pipe is termed a riser pipe and includes a lateral branch 9 which opens into the cyl inder 8 and a vertically disposed branch 10, the latter preferably extending to a height equal to or exceeding the height of the ele vator well and is closed at its upper end. The pipe branch 10 is furnished above each of the floors 5, 0, d and 6 with the branches 1O"1O l0 and 10 which connect with the respective controlling valve casings 11 11'=-11 11 each of which has the branch connections 12 and 13. In each of the valve casings is rotatably mounted a valve 14 hav- Specification of Letters Patent.

Application filed April 5, 1909.

Patented Jan. 24, 1911.

Serial No. 488,039.

ing the channels 15 and 16 and supplied, exteriorly of said casing, with the lever 17. The water supply, for this particular controlling device, is taken from the main 18, which is connected at each floor with the connections 1313 of valve casings 11 11 -11 and 11 by the branch pipes 18- 18 18 and 18 while the branch connections 1212 of said valve casings are respectively connected with the waste pipe 19 by means of the branch pipes 20"-2020 and 20 The controlling of the elevator from within the car forms specifically no part of the present invention and may be accomplished in any suitable and well known manner.

In the drawings the elevator car 5 is shown as at the floor (Z, supplied with controller valve casing 11, after this point has been reached by the car 5 the lever 17 of valve 14: of easing 11 is swung to bring the valve 1a to the position shown in Figs. 2 and 3 in which the end of channel 15 is closed by the valve casing while the riser pipe is filled with water. If now it is desired to have the elevator car 5 descend to floor Z), the lever 17 of the controller valve casing 11 is swung to the right to bring channel 15 of its valve in registration with the branch 2O whereupon the water will run out of the cylinder 8 and flow from riser pipe and branch 10 through said channels 15 and 16 to the waste pipe 19 until the car 5 moves downward to the point at which it is controlled by the level of the branch pipe 10 the water in such movement being under pressure of the car 5 and its plunger 6. After such controlling of the car it may be desirable to again bring the elevator car to one of the upper floors, to floor 6 for instance, in which case valve 14 of casing 11 is rotated to a position in which channel 15 registers with the branch pipe 18 in which case water will flow from the main 18 through said branch pipe 18, through the valve channels 16 and 15 and the branch pipe 10 into the elevator riser 10 until the water in said riser 10 has reached a suflicient pressure from the main 18 to force the elevator to the desired point. This device is also adapted to act as a supplemental safety appliance to retard the fall of the elevator if the usual elevator controlling means, operable from within the car, becomes inoperative as to controlling the descent of the car for, if such accident occurs,

the descent of the car is retarded while the inder, a rigid riser pipe communicating therewith said riser extending through all the floors, and water supply means communicating at intervals with said riser pipe, said connections each including a controlling valve.

3. An elevator controller comprising :1 cyl inder, a rigid riser pipe connected therewith and having a series of branches located at intervals along said riser, valve casings connected with said branches and furnished with valves, water supply pipes connected with the respective valve casings, and waste pipes for said casings, as and for the purpose described.

ARTHUR AMORY.

Vitnesses H. J. BIILLER, M. M. HARRINGTON.

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