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Publication numberUS1586654 A
Publication typeGrant
Publication dateJun 1, 1926
Filing dateDec 30, 1924
Priority dateDec 30, 1924
Publication numberUS 1586654 A, US 1586654A, US-A-1586654, US1586654 A, US1586654A
InventorsAsbury Conway Elisha
Original AssigneeAsbury Conway Elisha
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Combined chalk line and plumb bob
US 1586654 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

Jjune 1 192e.

E. A. c`oNwAY COMBINED G HALK LINE AND PLUME BOB Filed Dec. so, 1924 ZZ '1 20 2.0 if

a Z: '5 f4 9 E? M J- f6 66 t :III I Il' lllmls f l a I Jb Patented `lune 1,1926.



,COMBINED CHAIQK LINEl aunrnumnnon..

vApplication fuea Deeerber eo, 1924.` serien Ne. 758,889. y

bob andy vice versa l/Vithy the ;t'oregoing jand other objects in `view which will appearas the description proceeds, the invention resides in the combination and arrangement Vof parts and in the details of construction hereinafter deeasily changed from a chalk line t'o a plumb i scribed jandclaimed, it being understood that changes inthe precise embodiment of the invention herein disclosed may be made within the scope of what is claimed Without departing :from the spirit of the invention. In the accompanying,drawingsze- Figure 1 represents a side elevation of the device shownready for use as a plumb bob; Fig. 2 is a longitudinal section thereof;

Fig. 3 is a longitudinal section taken in a plane at right angles to Fig. 2 showing the device ready for use as a chalk line;

Fig. 4 is an enlarged detail section showing the surplus chalk remover; and

Fig. 5 is adetail sectional view showing the connection of the top of the chalk container with the body portion thereof.

In the embodiment illustrated a cylindrical chalk container 1 is shown having a removable top 2Vsecured by a pin and groove connection 3 and havingv a central aperture for the passage of the chalk line 10.A This cover 2 has depending from its inner face a surplus chalk remover 5, shown in the form of a small cylinder having a removable closure 6 at its lower end being preterably in the form of a cap threaded thereon and having a central opening 7 forthe passage of the chalk line 10. This chalk remover 5 is filled with smallfballs or rollers, large size shot being suitable for" this purposeV such as isrshown atS so that When the cord or line 10 is drawnV through saidvballs the `chalk will be wiped off leaving just a sufficient amount to make a proper mark. The container 5 is provided with a plurality of perforations 9 in one side wall thereof to permit the chalk which collects from the line to be sitted out therethrough and prevent clogging of the container. `The container 5 is located above the chalk line in the container 1 so that'there is no diliiculty in sifting` out the chalk throughfthe apertures therein; f'

Ay similar remover 5?v dependsfrom the bottom ofthe containerv 1 below Whichvis a skirt 11 in which said containerla is housed.

f The'remover 5 which depends from the ont'ojthe' reel 20 while the remover 5a wipes ofi', surplus chalk before the line is used for the purpose to which it is intended to Wit making a line. Y l

vtop 2 of vcontainer 1 wipes oithe surplus 'y chalk from the line 10 before it is ywound Theskirt 11is provided at its lower edge i at diametrically opposite points with bayonet slots 12 designed to receive the laterally extending p'in's 16 carried by a plumb bobl.

This pin and slot connection operates to hold the plumb bob 15 engaged with the skirt 11 which is connected with the casing 1 is designed to be used as a plumbbob suse pended from the line l0, saidline having'a' yknot or other means tor securing it beyond the bottom of the container 5". .i

The removable top 2 has a grooveand pin connection .with the container 1 to securely lock it engaged with` thev container to prevent the chalk therein from escaping and yet which permits the container to be filled when necessary..

so i

The reel 2O iscarriedby a shaft 21 rev i olubly Vmounted in a frame 22, saidy shaft being provided atone end with` a crank handle 23 to facilitate winding of the line on the reel. .Y e f The trame 22 is provided at its lowerend with a band 24 equipped at its lower edgev with a bayonet slot 25y designed to interlockingly engage with a pin 26 which projects laterallyfrom the top`2` as isshown clearly in Fig.y 1.

Int-he use ofV this device when it isdei siredto use it for a chalk line the plumb bob 15 is removed trom theskirt 11 by disengaging the lpins 16 thereof from the bayonet slots 12 and the parts will then be in ythe position shown in Fig. 3. The,V line 10 is drawn'out through the chalk yreceptacle or container land through the wiping de` vice 5a which leaves, just sufficient chalk on the line to makethe necessary mark. After it has been used the reel 2O is turned by turning the handle-23 which winds up the line lOthereon, the chalk having beenwiped therefrom in its passage through the wiper 5.

The plumb bob 15 is then inserted inKV the skirt 11 and Secured and the device then used as a plumb bob by disengaging the reel frame 22 from the chalk container by disengaging slot 25 from-pin 26 as shown in Figs. l and 2. The Weight of the plumb bob then will drop down and cause the line to unwind from the reel 2O and it may be used in the usual manner. lVhen finished for use as a plumb bob the line is wound up on the reel 2O and the frame with the collar Q4 engaged together with the top 2 of the casing and the device thus remains in compact form ready for use when desired.

I claim l. In a device ot the cla-ss described, a chalk container closed at both ends, a chalk line passing through said ends and through the container, an excess chalk remover mounted at one end of said container and made in the form of a cylinder having balls disposed therein, said line passing through Y Said cylinder in contact with said balls whereby the excess chalk is wiped from the line during its passage through the wiper,

said ball container having apertures for the discharge of chalk collected from the line. 7 A chalk container having a removable cover at one end und a depending skirt at the other, a plumb bob having a pin and slot connection With said skirt to detachably hold it engaged therewith, a reel carrying frame having a band at its lower end adapt ed to lit over the upper end of the chalk container, said band and container having interlocking means to detachably secure them together, and a chalk line secured at one end to said reel and passing through said chalk container and being provided beyond the bottom thereof with means to prevent the uf'ithdrawal oi the line through the container in an upward direction and adapted to permit it to be drawn downwardly in the opposite direction. l

ln testimony that I claim the 'foregoing as my own, I have hereto affixed my signature.


Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4459761 *Jan 10, 1983Jul 17, 1984Bosco John JRetractable plumb and chalk line
US5163230 *Jan 13, 1992Nov 17, 1992Gast Raymond AChalk line apparatus
US5392522 *May 3, 1993Feb 28, 1995O'neil; Michael J.Plumb bob and cooperating reel
US6830576Mar 15, 2002Dec 14, 2004Ep Technologies, Inc.Apparatus for electrically isolating a portion of the atria
US6898861Oct 14, 2003May 31, 2005Christopher Shawn BartimusString line tool and sheaths therefor
US6926712Feb 19, 2002Aug 9, 2005Boston Scientific Scimed, Inc.Clamp having at least one malleable clamp member and surgical method employing the same
US6932816Feb 19, 2002Aug 23, 2005Boston Scientific Scimed, Inc.Apparatus for converting a clamp into an electrophysiology device
US7297144Aug 31, 2004Nov 20, 2007Ep Technologies, Inc.Methods for electrically isolating a portion of the atria
US7422591May 17, 2005Sep 9, 2008Boston Scientific Scimed, Inc.Apparatus for converting a clamp into an electrophysiology device
US7727231Jan 8, 2005Jun 1, 2010Boston Scientific Scimed, Inc.Apparatus and methods for forming lesions in tissue and applying stimulation energy to tissue in which lesions are formed
US7753908Feb 19, 2002Jul 13, 2010Endoscopic Technologies, Inc. (Estech)Apparatus for securing an electrophysiology probe to a clamp
US7785324Feb 25, 2005Aug 31, 2010Endoscopic Technologies, Inc. (Estech)Clamp based lesion formation apparatus and methods configured to protect non-target tissue
US7857822Oct 13, 2007Dec 28, 2010Ep Technologies, Inc.Device for installing stasis reducing means in body tissue
US8002770Dec 2, 2003Aug 23, 2011Endoscopic Technologies, Inc. (Estech)Clamp based methods and apparatus for forming lesions in tissue and confirming whether a therapeutic lesion has been formed
US8241277Jul 9, 2010Aug 14, 2012Endoscopic Technologies, Inc. (Estech)Apparatus for securing an electrophysiology probe to a clamp
US8409198Aug 22, 2011Apr 2, 2013Estech, Inc. (Endoscopic Technologies, Inc.)Clamp based methods and apparatus for forming lesions in tissue and confirming whether a therapeutic lesion has been formed
US8585701Nov 27, 2012Nov 19, 2013Estech, Inc. (Endoscopic Technologies, Inc.)Apparatus for securing an electrophysiology probe to a clamp
US20040128845 *Oct 14, 2003Jul 8, 2004Bartimus Christopher ShawnString line tool and sheaths therefor
US20050033321 *Aug 31, 2004Feb 10, 2005Fleischman Sidney D.Methods for electrically isolating a portion of the atria
U.S. Classification33/354, 33/414, 33/393
International ClassificationG01C15/10
Cooperative ClassificationG01C15/10
European ClassificationG01C15/10