US1070213A - Flush-tank. - Google Patents

Description

J. WEIS.

PLUSH TANK. APPLICATION IILBD MAR. 29/1913.

Patented Aug. 12, 1913.

UNITED STATES PATENT OFFICE.

JULIUS WEIS, OF ST. PAUL, MINNESOTA.

FLUSH-TANK.

To all whom it may concern:

Be it known that I, JULIUS WEIS, a citizen of the United States, residing at St. Paul, in the county of Ramsey and State of Minnesota, have invented a new and useful Improvement in Flush-Tanks, of which the following is a specification.

This invention relates to'flush tanks, and more particularly to filling means therefor.

Heretofore it has been usual to provide valve mechanism for admitting water into a tank and to use a float which gradually and automatically closes the supply of water as the tank becomes filled to the desired level. This operation of gradually closing the supply valve is detrimental and defective, because the operation of closing the valve gradually, produces uneven wear of the valve surfaces and allows small particles of sand and foreign substances to catch between the valve and its seat thus producing a cutting effect which soon causes the valve to leak. This leaking of the supply valve in flush tanks is a common source of trouble and annoyance, and it is the primary object of my invention to overcome this defect.

Among further objects of my invention is the production of a supply valve and valve operating parts, which are simple in construction, comparatively inexpensive to install, thoroughly effective, reliable and noiseless in operation, and possess a capacity for long and repeated service.

The above and additional objects are attained by means substantially such as illustrated in the accompanying drawing forming part of this specification, in which- Figure l is a part sectional view of flushing apparatus embodying my improvements, the position of the operative elements being shown when the level of water has reached maximum condition and the supply valve is closed; Fig. 2 is a similar view representing the position of the parts when the level of water in the tank is below maximum,

and the tank is either being filled or discharged; Fig. 3 is a detail showing the supply valve check which is illustrated mounted upon a portion of the flush tank, and Fig. 4 is a section taken upon the line XYX of Fig. 3, illustrating the buffer of the check pin and the manner of cushioning its surface against which the supply valve float impinges.

In the drawing A indicates a flush tank of usual shape, which is provided with the cus- Specification of Letters Patent.

Application filed March 29, 1913.

Patented Aug. 12, 1913.

Serial No. 757,579.

tomary main water supply valve 2, leading from the supply pipe 3. This valve is mounted in the upper edge of one of the side walls of the tank and is provided with the usual float 13 carried by the valve actuating arm 1, which is pivoted on the valve casing at 5, said float being adapted to close the valve 2 in a manner to be hereinafter described and check the supply of water to the tank when the water reaches a predetermined maximum level therein. To close the valve 2 by its float instantly when the water reaches maximum level in the tank, instead of gradually as the water approaches said level as heretofore, I provide a check 0 which holds the valve fully open until the desired level of water in the tank is reached, whereupon said check automatically releases said valve and permits the float B to close it instantly. Said check C consists of a pin 35 arranged toslide up and down freely through two guide lugs 6 and 7 on theside of a frame 8, said frame being mounted upon a horizontal rod 9, passing through its upper end. The upper end is formed integral with the frame and is secured to the rod 9 in horizontally selected position by means of the set bolt 10. The pin 35 is formed with a head 11 on its upper end against which the lower surface 12 of the lug 13. on the side of the lower end of the-trigger- 14 is adapted to engage and hold the pin in its lowermost position until the trigger 14: is moved with its lug 13 out of the path of the head 11, whereupon the pin 35 is free to move upwardly and allow the float B to rise in the water in the tank and close the valve 2 instantly. The lower portion of the pin 35 is provided with a large buffer 15 in the form of a horizontal plate having upwardly projecting lips 16 from its edge. The lower face of the buffer is covered by a square blank 31 of leather or other suitable comparatively soft material, the corners of which are turned up over the side of the bufl'er and secured through the interstices between the lips by means of a cord 17. The covered face of the bufler acts as a cushion against which the surface of the float B is adapted to impinge and reduces the tendency ofthe bufler from wear ing the surface of the float.

formed with an enlarged end 19, which is selectively mounted upon a vertical rod 20, passing through said end, by means of the set screw 21. The vertical rod 20 is formed with a body 2 on. its upper end, which is adapted to be fastened over the upper edge of the side wall of the tank by means of screws 241:. In this manner the position of the pin may be arranged directly over the surface of the float B, and the height at which the pin is released to check the supply of water into the tank can be pre-arranged. This is an advantage because the apparatus is thereby adapted to tanks of different dimensions. For tripping the trigger 1-1 with its lug 13 out of engagement with the head of the stem, an auxiliary float D is provided which connected to a trip 25 by means of the rod 26. This trip is in the form of a bell crank lever pivoted at its angle by the pin 27 on the side of the frame 8, one arm of said lever being secured to the rod 26, and the other arm 28 positioned so as to strik against the side of and disengage said trigger from the pin when the water in the tank reaches a predetermined or maximum level. The buoyant force of the water exerted upon the float D produces this result. When the float D tilts the trigger causing its arm 28 to move against the side of the trigger and release the pin 35 and the float B, the buoyant force of the water lifts the float B in the tank and the valve 2 is instantly closed, thus checking the supply of water, the position the partsass'ume being indicated in Fi g. 1. The float B, by the use of the mechanism described is made to actuate the check C, while fully submerged, thereby imparting a maximum operating power by a float of minimum size. A stop 30 depending from and integral with the upper end of the frame 8 limits the lowering movement of the float I), the end 28 of the bell crank lever striking against said stop.

ll ater from the tank is discharged through suitable discharging mechanism that may be provided, the floats l3 and D reced ing automatically as the level of the water in the tank lowers. The pin 85 during this operation follows with its butter riding upon the surface of the float B until the head end of the pin rests upon the upper lug 6 of the frame 8. In this position the valve 2 is fully opened and the tank refilled, As the head of the pin 35 passes the lug 13 on the side of the trigger 14, its upper surface 29, which is slanted as illustrated, guides over the head 11 until said head lowers below said lug whereupon the trigger swings down with its lug acting as a stop over the head of the pin to prevent the pin from sliding up and the float l3 rising until the maximum level of water in the tank is attained.

Any suitable flushing or discharging mechanism may be provided such as is in comadapted to be primed to flush the tank by means of the water supply tube F, discharg ing into the neck of the siphon and the automatic self closing cock G. V

In accordance with the patent statutes I have described the principles of operation of my invention together with the apparatus which I now consider to represent the best embodiment thereof but I desire to have it understood that the construction shown is only illustrative and that the invent-ion can be carried out by other means and applied to uses other than those above set forth within the scope of the following claims.

Having described my invention, what I claim as new and desire to protect by Letters Patent is:-

1. In flushing apparatus, a tank, a supply valve, a float adapted to close said valve by its rise and open said valve by its fall, and means for holding said valve substantially fully open until a maximum level of water is attained in said tank and automatically closing said valve instantly upon said maximum level of water in said tank being attained, said means being selectively positioned in height upon a wall of said tank to adjust its height to the position atwhich the supply of liquid to said tank is adapted to be checked.

2. In flushing apparatus, a tank, a supply valve, a float adapted to close said valve by its rise and open said valve by its fall, check adapted to hold said valve substantially fully open until the maximum level of water in said tank is attained, a trigger controlled by the level of water in said tank and adapted to release said check and permit said valve to close instantly when the maximum level of water in said tank is attained, a bracket. having a depending arm secured to a side wall of said tank above the maximum level of liquid therein and a frame on which said check and trigger are mounted, said frame being selectively positioned upon said arm to vary the height at which said parts are supported in said tank.

3. In flushing apparatus, a tank, a supply valve, a float adapted to close said valve by its rise and open said valve by its fall, a check above the level of liquid adapted to play up and down with the movement of and impinge down upon said float, a trigger adapted to block the upward movement of said. check and hold said float down, a trip adapted to travel across the path of movement of said check for releasing sa'id trigger and a float. adapted to operate said trip and release said trigger when the maximum level of liquid in said tank is attained.

it, In flushing apparatus, a tank, a supply valve, a float adapted to close said valve by its rise and open said valve by its fall, a supporting element secured to a Wall of said tank, a frame selectively positioned in height on said supporting element, a check pin slidable in said frame and adapted to play up and down in the path of and With the move ment of said float, a trigger pivoted on said frame and adapted to check said pin and hold said float down, a trip on said frame cooperating With said trigger and a float adapted to operate said trip and release said trigger from said pin instantly upon the maximum level of Water in said tank being attained.

In testimony whereof, I have signed my name to this specification, in the presence of two subscribing Witnesses.

JULIUS WVEIS.

W'itnesses:

A. L. FISCHER, F. S. BRADBURY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.

Images