US241573A - Benjamin c - Google Patents

Description

v(No Model.)

B. C. VANDUZEN. Pump. NQ.- 24L573. Patented May/17,1881.

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`\ UNITED STATES f SPECIFICATION forming part of Letters ToNall whom it may concern:

Be thknown that I, BENJAMIN C. VANDU- einnati, in the county of Hamilton hipo, have invented certain new oveinents in Force-Pumps 5` and tobe a full,A

orkingpartwmand is east opening, throu glu which testare applieddand reo ain or xed cylinder, east at the pywith alateral water-way, C, on one side, anda lug,`F, on the opposite side, to afford llneans for connecting it to the suspendingange. This connection is formed on one side hediseliarge-tnbe D screwing,` into the part on the opposite side y l `"tween 1the size ofthe plunger` y "the area of theother.

plunger, `both supported inany feonneotion` f `giiange A, the #l ing of suiei PATENT OFFICE.M

BENJAMIN O. VANDUZEN, OF OlNOINNATI, OHIO.

PUMP.

Patent No. 241,573, dated May 17, 1881.

Application filed November 4, 1880. (No model.)

by screwing its lower end into the lug F sufficiently far to allow its upper end to swing under the iiange A when the rod is turned to screw into said flange and be partially unsorewed from the lug. By this construction the use of nuts is avoided and the whole oonon simplified and ohenpened. The rod `linderiD"support the `lnain `Cylinder l lft` `\"f` one @he irtheldi QHl; M M c K" 1ST the upper ruim?? i ed@ of1 e lesser` diameter bh inder,"fproportionedQtoth L is the lower plung vlnanner `nponthe plunger-rod `NQ y 1d oftheplunger@iseonneeted y .e 19MB@ rldlowi tlierleonyenient inea p .l y y y Herder I0` nplyenl fiele rem in o .y l .l i nd upper cylinder fori anyypurpose without `85`l disturbing the lowereylinder or breaking the l v between` it andthe suspendinglatter is east with a central openent diameter to allow the upper lcylinder' to pass through it. This opening is 9o closed with the eap P, east with a series of peripheral hooks to enter notches formed in the inner circumference of the flange A. Vhen the cap is turned the hooks pass under the flange and look the eap in place.

The lower end of the upper cylinder, K, is constructed with a flange, K, to fit upon the top of the lower cylinder, B, when the pump is put together, suitable packing' being interposed to close the joint. The top of the oylloo inder K is connected by a pipe, Q, with the e ge A, and i E UTbeserewrodislapplied nut R in theoenter of the cap sai

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