Piercing apparatus for piercing a small compressed gas...

Details Piercing apparatus for piercing a small compressed gas... Piercing apparatus for piercing a small compressed gas...

2006-01-31

2006-01-31

Douglas, Steven O. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

With manipulation of flexible or collapsible receiver or supply

C141S019000, C222S005000, C222S054000

Reexamination Certificate

active

06991005

ABSTRACT:
A piercing apparatus for piercing a small compressed gas bottle to quickly inflate an expandable sack (1) comprises a small gas bottle (6), a housing (20) carrying in an inner chamber (21) thereof a piercing element (7) having a bit (72) provided with an axial passageway (73) communicating with the sack (1), and a release mechanism (8), being charged by a counteracting spring (89) to push the piercing element (7) against the small bottle (6). The release mechanism comprises a release element, being connected to a flexible transmission (30) of control means (3), as a protuberance (87), and the piercing element (7) is fixed on a front end of a collet chock (70), which is provided with fingers (88) to grip the protuberance (87). The collet chock (70) is slidable between a gripping condition and a releasing condition of the protuberance (87) upon the operation of control means.

REFERENCES:
patent: 5601124 (1997-02-01), Weinheimer et al.
patent: 6705488 (2004-03-01), Mackal et al.

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