New Invention

Self-Capping Syringe

*****New Product For Licensing, Manufacturing, and/or Investors*****

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patent drawings

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invention.net

Inventor : Joseph Whitaker

As attorney for the inventor of the innovative Self-Capping Syringe we are currently seeking manufacturing companies to license, purchase patent rights or enter into a royalty agreement for this timely invention.

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Objects of the present invention:

to provide a self-capping syringe which contains a protective cap having a sleeve that is threaded upon a barrel of the syringe, so that after use the sleeve can be manually twisted into a locked position, to extend over the needle preventing an accidental needle stick

to provide a self-capping syringe in which a sheath can be utilized to fit over a reduced portion of the sleeve of the protective cap when in the extended position, for additional safety before disposal, while the sheath can also be placed on the reduced portion of the sleeve when in the retracted position when the needle is exposed for safety prior to use

to provide a self-capping syringe which is simple and easy to use

to provide a self-capping syringe which is economical in cost to manufacture

The following pictures are meant to display possible physical characteristics of the present invention and are not to be taken in a limiting sense. It is understood that other embodiments may be utilized and that structural changes may be made without departing from the scope of the invention.

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LIST OF REFERENCE NUMERALS

10 self-capping syringe 39a threads on 42

12 barrel 39b threads on 46

14 first end of 12 40 locking tab on 42

16 second end of 12 42 outer surface of 12

18 finger flange on 14 44 locking tab on 46

20 needle hub on 16 46 inner surface of 32

22 plunger in 12 48 scale markings on 12

24 thumb rest on 22 50 longitudinal window slot in 32

26 needle on 20 52 indicator

28 protective cap on 12 54 reduced portion of 32

29 twist allowing mechanism 56 sheath

30 locking structure 58 hollow tube of 56

32 sleeve 60 first opened end of 58

34 first opened end of 32 62 second closed end of 58

36 second closed end of 32 A retracted position

38 small hole in 36 B extended position

PATENT DRAWINGS

FIGURE 1

Figure 1 is a front perspective view of the invention showing the protective cap in a retracted position, whereby a sheath shown in phantom, may be installed on a reduced portion to prevent injuries prior to use.

FIGURE 2

Figure 2 is a rear perspective view of the invention showing the protective cap in an extended locked position and a sheath being inserted onto a reduced portion thereof.

FIGURE 3

Figure 3 is a side view of the invention with parts broken away, showing the protective cap in the locked extended position and the sheath ready to be inserted onto the reduced portion.

FIGURE 4

Figure 4 is an enlarged view as indicated by arrow 4 in Fig 3, showing the engaging locking tabs and threads in greater detail.

FIGURE 4a

Figure 4a is a cross sectional view taken along line 4a-4a in Fig 3, with parts removed and left out for clarity, showing the engaging locking tabs between the sleeve of the protective cap and the barrel of the syringe.

FIGURE 5

Figure 5 is an enlarged rear perspective view of the invention with parts broken away, showing the protective cap in the locked extended position and the sheath inserted onto the reduced portion.

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If you are interested in licensing, purchasing the rights to the above invention or entering into a royalty agreement please contact the office of Michael I. Kroll as follows:

Michael I. Kroll
171 Stillwell Lane
Syosset, New York 11791
Tel. #: 800-367-7774
Tel. #: 516-367-7777
Fax #: 800-367-7704
Fax #: 516-692-2787

E-Mail patent@invention.net

Michael Kroll, Patent Attorney