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Publication numberUS3844291 A
Publication typeGrant
Publication dateOct 29, 1974
Filing dateApr 26, 1973
Priority dateApr 26, 1973
Publication numberUS 3844291 A, US 3844291A, US-A-3844291, US3844291 A, US3844291A
InventorsMoen G
Original AssigneeMoen G
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Grip device
US 3844291 A
Abstract
A hand and spring operated tubular pocket size device used to grip and hold small things.
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Claims  available in
Description  (OCR text may contain errors)

Unite 1 Meen 279/51 X Johunson ct 279/Sl X Primary ExaminerChanning L. Pace Attorney, Agent, or FirmLawrence E. Laubschcr 3 7 9 1 6 9 5 M A3 0 N .mL P MD. FA NH 22 [l T C A R T S B A H 5 m s c r ""3 8 S UhF HUM

A hand and spring operated tubular pocket size device used to grip and hold small things.

[56] References Cited UNITED STATES PATENTS 437,647 9/1890 Franklin............l.............. 279/51 X 1 Claim, 2 Drawing Figures PATENTED UN 29 I974 FIGZ] FIG].-

GRIP DEVICE This invention relates to a device used for injecting thin also flexible needles into a live body or limbs. As long as five inch needles also extracted.

Reference will now be made to the accompanying drawing, in 'which:

FIGS. 1 and 2 are top plan and longitudinal sectional views, respectively, of the grip device of the present invention.

Referring to the drawing, the grip device includes a tubular body 1 upon which is externally threaded a sleeve 2 having radially outwardly extending handle portions 2a. Extending radially within the sleeve is a latch or washer 3 which serves as a seat for supporting the forward end of a coil spring 4. Mounted concentrically about the rear end of the body 1 is a cap or second handle member 5 which contains a threaded bore 6 and a counterbore 6a which defines a transverse wall 6b against which is seated the rear end of the coil spring 4. Tubular push rod 7 is threadably connected at its rear end with bore 6 of cap 5 and extends longitudinally through the coil spring 4. Threadably connected with the forward end of the push rod 7 are spring jaws 9 which are normally biased radially apart. When the push rod is retracted within the tubular body by coil spring 4 to the illustrated retracted position, radially inwardly directed cam surfaces on the guide means 8 cause the spring jaws to be radially inwardly compressed into tight engagement with the object to be gripped (for example, a needle, not shown). The spring jaws may be slightly knurled or cross rifled. A pocket clip 11 is secured to the sleeve 2.

In operation, when pressure is applied to the push rod 7 via cap 5, the spring jaws are displaced to the extended position, shown in phantom, for gripping and holding small items. Up to a five inch needle may be supported by the spring jaws. The needle may be injected a little at a time as the cap 6 is displaced forwardly of the tubular body 1.

I claim:

1. A grip device for gripping articles such as needles or the like, comprising a. a tubular body member (1) having forward and rear ends;

b. a push rod (7) arranged in concentrically spaced relation within said body member for axial displacement between extended and retracted positions relative thereto, the rear end of said push rod projecting rearwardly beyond the rear end of said body member when said push rod is in the retracted position;

c. article gripping means (9) connected with the forward end of said push rod, said article gripping means including a plurality of radially outwardly biased spring jaws that are in a radially expanded condition when said push rod is in the extended condition, thereby to receive an article to be gripped;

d. cam means (8) connected with the forward end of said body member for radially contracting said spring jaws into gripping engagement with the article when the push rod is in the retracted position;

e. a cap (5) containing a threaded bore (6) and a counterbore (6a) that defines a transverse wall (6b), the rear end of said push rod being threadably connected with said threaded bore, said push rod having such a length and said cap being so dimensioned that when said push rod is in the retracted position, the rear end of said body member extends into said counterbore and terminates in spaced relation a predetermined distance from said transverse wall; and

. spring means biasing said push rod toward the retracted position relative to said body member, said spring means including a coil spring (4) arranged concentrically about said push rod, the rear end of said spring being seated against said transverse wall and the forward end of said spring being seated against a spring seat defined on said body member, whereby said predetermined distance between said counterbore transverse wall and the rear end of said body member controls the extent of axial displacement of said push rod in the extended direction.

Patent Citations
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US437647 *Mar 27, 1889Sep 30, 1890 Rhodolph h
US2845898 *Jun 27, 1955Aug 5, 1958Faber Castell A WWriting instrument chuck
US3210836 *May 21, 1963Oct 12, 1965United Carr IncElectrical component remover and/or inserter
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Classifications
U.S. Classification606/206, 606/210, 279/51, 294/100
International ClassificationA61B17/30
Cooperative ClassificationA61B17/30
European ClassificationA61B17/30