US173167A - Improvement in lamp-fillers - Google Patents

Description

JOHN. n. cnrswotn, 'oF enfonce, Inniuors.

Specification forming part of Letters Patent No. l 73,167, dated February 8, 1876 application filed. h December 28, 187,5. 1

To all whom it may concern 1 Be it known that I, JOHN A. GRIswoLD, of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Lamp-Fillers, of .which improvements the following is a full, clear, and4 exact description, which willA enable others skilledin the art to whichmy invention apperta-ins to make and use the said improvements, reference being had to the accompanying drawing, forming a part hereof, and in which- Figure 1 is an elevation of a lamp-filler embodying my invention, and Fig. 2 a vertical central section thereof.

Like letters of reference indicate like parts. In the drawing, A represents a can, adapted to contain either oil or other burninguids commonly used forilluminating purposes. B is the filling-nozzle, whichmay be closed bya stopper, in the usual manner, as represented at a in Fig. l, and C is the pouring-spout. I) is an ordinary bail, by means of which the can may be carried from place to place. E is a cylinder or piston-chamber in the can. F isa pistou .arranged in the cylinder E, and Gr is the piston-stem; The stem Gr passes through an opening in the top of the cylinder E, and also through a closefitting opening inthe top of the can A, as shown. G' is a knob or handle on the upper end of the stem G. The lower end of the stem G is provided with a collar or ange, b, and

' c c are disks of packing, supported by the collar b. d is a loose disk or presser arranged above the packing, and'H is a nut arranged above the presser d. That part of 'the stem Gr which receives the'nut H is screw-threaded a'distance considerably greater than that occupied by the nut, as shown. The nut His ,polygonal in form, andthe opening through the top of the cylinder E is correspondinglyr formed, and of such` a size as to receive and iit the nut H when the latter is drawn upward into it by the upward stroke of the piston. The top of the cylinder E also limits ythe upward stroke of the piston, and the contact of the' handle G with the can limits the down'wardpstroke. Iis a'tube, connecting the spout C with the lower part of .the cylinder E. p

J is a valve, opening inwardly into the lower 'end of the cylinder and K is a flexible tube attached to the outer end of the spout C.

The operation ofthe parts now described is as follows: When the piston F is drawn up the oil or burning-fluid in the can A vis thereby drawn into the,f cylinder E, the valve J being opened by the suction and current thusv produced. The Vfree end of the tube K may then be pinched for the purpose of preventing thear from entering'through it at that time; but as a rule thiswill be found to be'unnecessary, for the upward stroke of the pistou will also .cause the liquid contents to enter the cylinder E through the valve J, although air may enter through the tube K at the saine' time. Infact, the liquid-would nditsllevel or-reach the samedepth within and without the cylinder E, although the piston be raised f slowly enough to cause no suction. The downward stroke of the piston will close the valve J and force the liquid below the piston out through the tube I, spout C, and tube K. This flow will continuevv solong as the downward movement of the piston is i continued, and, when the lower end of the tube K is held at a point below the bottom ofthe can, the flow will continue after thc downward movement of Athe pistou has ceased, for the tube K then operates as a Siphon,l and will drain away all' the contents of thecan, or as much as may be desired. By raising the tube K above the `spout C, and lifting the piston slightly, the

liquid will run from the said tube into the cylinder E, and thus prevent any drippings from the tube. f

In order to tighten or loosen the packing,

as occasion may require, I drawj thev piston upward until the nut H enters the socket or opening in the top of the cylinder, and thenl turn the pistou-stem in such a direction as to either press'or release the packing, thus making it run tighter or looser against the cylinder. This operation, as will be perceived, may be performed without removing any of the parts for thatV purpose, and when the can is closed it will also be perceived that the cau need not loe tipped during the operation of lling lamps, and that the contents of the can may be withdrawn with facility and without spilling the oil or fluid, thereby rendering th can or ller safe-for use at all times.

Having thus described my invention, whatI I claim as new, and desire to secure by Letl. The combination of the can A, interior cylinder E, valve J, eduction I, stem G, support b, packing c, adjustable nut H, and the corresponding socket or opening in the top of the cylinder, substantially' as and for the purposes specified.

2. The combination of the' can A, cylinder E,`va1ve J, eduction I, exble tube K, and apiston arranged within the said cylinder, and

having a ,stem extending through the can,

N. U. GRIDLEY, F. F. WARNER.

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