Dispensing syringe
A dispensing syringe ( 10 ) has a barrel ( 20 ) keyed ( 31, 32 ) to a gripping assembly ( 40 ) having complementary keyed surfaces ( 42 ). A nut having dual threads ( 61, 62 ) of differing diameters is threaded to one end of the barrel ( 20 ) and receives a matingly threaded ( 71 ) plunger ( 70 ). T...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A dispensing syringe (
10
) has a barrel (
20
) keyed (
31, 32
) to a gripping assembly (
40
) having complementary keyed surfaces (
42
). A nut having dual threads (
61, 62
) of differing diameters is threaded to one end of the barrel (
20
) and receives a matingly threaded (
71
) plunger (
70
). Turning the plunger (
70
) causes it to advance within the barrel (
20
) due to the interaction of the mating threads (
62, 71
). The gripping assembly (
40
) is provided with winged projections (
50
) that facilitate handling and manipulation of the syringe (
10
). The complementary keyed surfaces (
31, 32
and
42
) physically interact so as to prevent the gripping assembly (
40
) from turning or twisting about the barrel (
20
) during use. |
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