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Publication numberUS1418184 A
Publication typeGrant
Publication dateMay 30, 1922
Filing dateAug 12, 1920
Priority dateAug 12, 1920
Publication numberUS 1418184 A, US 1418184A, US-A-1418184, US1418184 A, US1418184A
InventorsTrunick Charles
Original AssigneeTrunick Charles
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Screw driver
US 1418184 A
Images(1)
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Description  (OCR text may contain errors)

C. TRUNICK.

SCREW DRIVER. APPLlcATloN FILED .1116.12.1920. RENEwEn APR. 1.1922.

1,418,184, l A Patented May 30, 1922.

SCREW' DRIVER.

Application led August 12,A 192.0, Serial No. 402,938.

To .all w 71 om t may concern f Be it known that I, CHARLES TRUNIGK, a citizen of the United States, residing at Farrell, in' the county of Mercer and State of Pennsylvania7 have invented certain new and useful Improvements in Screw Drivers; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains tol make and use the same. f

This invention relates to an vimproved screiv-driver and one object of the invention is to provide a screw-driver having an improved handle constructionincluding as one of its parts an improved socket for releasably holding a removable bit. y y

Another object of the invention'is to so construct the socket that the bit may be easily thrust into place and the securing sleeve then moved 01' its own accord to the locking position. f y e Another object of the invention is to so construct the socket that the same may include a spring serving to discharge the bit from the socket when the securing sleeve is moved to the releasing position.

Another object of the invention is to so construct the ysecuring sleeve that it may be limited in its rotary movement and yieldably held'against rotary movement and thus caused to normally remain in the locking position and to return to the locking position when released after being moved to the releasing position.

Another object of the invention is to provide a screw driver o1 the removable bit type in which the bit may be easily and quickly put in place and removed and which will be securely held in place when placed in the socket and prevented from having any movement, thus providing a substantially solid construction when the bit is in place.

Another object of the invention is to so construct the screw-driver that it will be very strong and durable and not be liable to break when in use.

This invention is illustrated in the accompanying drawings, wherein:

Figure 1 is a view showing the improved screw-driver in side elevation, a ring ca rried by the locking sleeve being shown in section.

Figure 2 is a view similar to Fig. 1 show- Specication of Letters Patent. :[)grlgntd` May 30, 1922,

Renewed April 7, 1922.V Serial No. 550,515.

ing the bit thrust entirely into the socketland the locking sleeve turned 'from the posit1on 1n Fig. 1 to the locking position.

Figure 3 is a sectional view taken along the line 3 3 of Fig. 1. *Figure 4 is a transverse sectional view taken along the line 41--4 of Fig. 2.

Figure 5 is a `transverse sectional view taken along the line 5-5 of Fig. 3. Figure 6 is a perspective view showing the bit partially inserted, as shown in Fig. 1. Figure 7 is a perspective view showing the bit entirely inserted Aand the locking sleeve in the locking position as shown in Fig. 2. e

rFigure 8 is a perspective view of the forward end portion of the handle showing the locking sleeve removed.4

This improved screw-driver is provided with a handle including a metal sleeve 1 in which is received the stock 2 formed of wood and held in 'place by the'usual pin 3. The

f handle is provided with an outstanding collar l` and the collar carries a pin 5-the purpose of which will hereinafter be brought out. The forward' end portion of; the handle is provided with oppositely disposed slots 6 which communicate with the longitudinally extending opening or pocket 7 y pocket will be held against rotary movement byA `the side .pins 9 iitting vinto the slots 6.- The end portions of the pins 9 will extend beyond the neck portion 10 of the handle for fitting into bayonet slots 11 formed in the sleeve 12 which sleeve is rotatably mounted upon the neck 10 and limited in its rotary movement by a the neck and extends through a slot 14 formed in the sleeve. This sleeve 12 carries a collar 15 which lits upon the collar 4L and carries a pin 16 similar to the pin 5. The pins 5 and 16 are passed through the eyes at the end of the spring 17 and it will thus be seen that when the sleeve is rotated to bring the bayonet slots 11 into registry with the slots 6, the spring will be stretched and will serve to return the sleeve to its normal klocking position as soon as the sleeve is reas the end portions of the pins have passed so that the bit 8. which fits into thisv pin 13 which is carried by slots.

vThere has, therefore, VbeenA provided a spring. 18 which is positioned in the pocket? and has its inner end passed through an opening formed in the pinextension 19 of l the block 20, positioned in the inner end of the pocket and secured by a pin 21. The outer end portion of this spring 18 passes through an opening formed in the pinextension 22 of the block 23 and this block 23 has its outer ends cupped for receiving the end of the bit. rTherefore when the bit is pressed inwardly,`it will engage the block 23 and move the same inwardly against the action of the spring 18 thus compressing the spring. ,Therefore when the sleeve is rotated and moved from the locking position to the yreleasing position of Fig. 1, the spring 18 will expand and drive the bit out of the socket.

' The bit will be It is therefore evident that the bit can be put in place with the sleeve turned to the releasing position and then pressed inwardly until the securing or locking sleeve is released and moved to the locking position. securely held in place and there will be no danger of the securing sleeve accidentally moving to a releasing position. When, however, it is desired to 1 remove the bit, it is simply necessary to rotate the sleeve to the releasing position and vrotary movement vmy hand.

the spring 18 will act to expel the bit thus making it easy to remove the bit and put a new one in place. A covering ring or bushing 24- is placed upon the sleeve and covers the slots 11 and le thus hiding these slots and further preventing the slots from becoming choked or the hand ofthe operator being cut while using the device.

What is claimed is:

A screw driver comprising a handle having a longitudinally extending socket formed therein,'a collar formed upon the handle intermediate the depth of the socket, the forward end portion of the handle having longitudinally extending side slots cut from its end and communicating with the socket, a sleeve rotatably mounted upon the forward end portion of the handle and having bayonet slots cut from its end for registering with the slots of the handle, VVthe sleeve having an outstanding collarfitting upon the collar of the handle and forming a spring housing, a pin extending from lthe handle through an angular slet formed in the sleeve to limitrotary movement ofthe sleeve, pins carried by the sleeve and collar -i of the handle and extending longitudinally of the handle in opposite directions within the spring housing, a spring positioned within the spring housing and having connection with the pins of the sleeve and handle collar to yieldably retain the sleeve against out of a locking position, a protector sleevefitting upon the slotted sleeve for covering the slotted sleeve and outer end portion of the side pin, and abit fitting into the socket and'h'aving side, pins for iitting into the registering slots of the sleeve and handle. y

In testimony whereof I vhave hereunto set CHARLES TRUNICK.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2444758 *Dec 11, 1947Jul 6, 1948Stillbach Jan HCleaning implement
US2865641 *Jan 23, 1956Dec 23, 1958Fada Radio & Electric Co IncTool holder for tool dressing machines
US4541197 *May 8, 1981Sep 17, 1985Leroue Lloyd JHollow telescoping fishing rod
US4924733 *Dec 16, 1988May 15, 1990Mckenzie Archibald MMultiple bit screwdriver
US5195761 *Nov 25, 1991Mar 23, 1993Willi Hahn Gmbh & Co., KgChuck for tool inserts, especially screwdriver bits
US5649956 *Jun 7, 1995Jul 22, 1997Sri InternationalSystem and method for releasably holding a surgical instrument
US5807378 *Oct 6, 1997Sep 15, 1998Sri InternationalSurgical manipulator for a telerobotic system
US5808665 *Sep 9, 1996Sep 15, 1998Sri InternationalEndoscopic surgical instrument and method for use
US5810880 *May 1, 1997Sep 22, 1998Sri InternationalSystem and method for releasably holding a surgical instrument
US5814038 *Mar 27, 1997Sep 29, 1998Sri InternationalSurgical manipulator for a telerobotic system
US5931832 *Jul 20, 1995Aug 3, 1999Sri InternationalMethods for positioning a surgical instrument about a remote spherical center of rotation
US6080181 *Jun 26, 1998Jun 27, 2000Sri InternationalSystem and method for releasably holding a surgical instrument
US6223100Mar 25, 1998Apr 24, 2001Sri, InternationalApparatus and method for performing computer enhanced surgery with articulated instrument
US6413264Jun 25, 1998Jul 2, 2002Sri InternationalSurgical manipulator for a telerobotic system
US6461372Mar 8, 2000Oct 8, 2002Sri InternationalSystem and method for releasably holding a surgical instrument
US6620174Apr 16, 2002Sep 16, 2003Sri InternationalSurgical manipulator for a telerobotic system
US6731988May 30, 2000May 4, 2004Sri InternationalSystem and method for remote endoscopic surgery
US6772053Oct 11, 2002Aug 3, 2004Visx, IncorporatedAspects of a control system of a minimally invasive surgical apparatus
US6788999Mar 3, 2003Sep 7, 2004Sri International, Inc.Surgical system
US6850817Jun 29, 2000Feb 1, 2005Sri InternationalSurgical system
US6963792Sep 9, 1996Nov 8, 2005Sri InternationalSurgical method
US7107124Dec 16, 2004Sep 12, 2006Sri InternationalRoll-pitch-roll wrist methods for minimally invasive robotic surgery
US7204844Oct 4, 2002Apr 17, 2007Sri, InternationalSystem and method for releasably holding a surgical instrument
US7248944Feb 22, 2006Jul 24, 2007Institute Surgical, IncRoll-pitch-roll wrist methods for minimally invasive robotic surgery
US7584971 *Nov 17, 2006Sep 8, 2009Hainbuch Gmbh Spannende TechnikWorkpiece clamping system
US7648513Jul 20, 2005Jan 19, 2010Sri InternationalSurgical manipulator for a telerobotic system
US7824424Aug 1, 2005Nov 2, 2010Sri InternationalSystem and method for releasably holding a surgical instrument
US7862580Apr 11, 2007Jan 4, 2011Intuitive Surgical Operations, Inc.Flexible wrist for surgical tool
US7890211Jun 20, 2007Feb 15, 2011Intuitive Surgical Operations, Inc.Master-slave manipulator system and apparatus
US8012160Sep 18, 2006Sep 6, 2011Sri InternationalSystem and method for releasably holding a surgical instrument
US8048088Dec 9, 2009Nov 1, 2011Sri InternationalSurgical manipulator for a telerobotic system
US8337521Nov 17, 2010Dec 25, 2012Intuitive Surgical Operations, Inc.Flexible wrist for surgical tool
US8500753Sep 22, 2011Aug 6, 2013Sri InternationalSurgical manipulator for a telerobotic system
US8690908Dec 3, 2012Apr 8, 2014Intuitive Surgical Operations, Inc.Flexible wrist for surgical tool
WO1996039944A1 *Jun 5, 1996Dec 19, 1996Stanford Res Inst IntSurgical manipulator for a telerobotic system
Classifications
U.S. Classification279/93, 81/438
International ClassificationB25G1/00
Cooperative ClassificationB25G1/00
European ClassificationB25G1/00