Metal working – Means to assemble or disassemble – To apply or remove a resilient article
Patent
1981-10-06
1983-08-16
Combs, Ervin M.
Metal working
Means to assemble or disassemble
To apply or remove a resilient article
294265, 29809, 206634, B23P 1902, B23P 1900, B23Q 710, B65D 7730
Patent
active
043983332
ABSTRACT:
A storage and manipulating tool for replacement plunger heads includes a set of storage cavities in which replacement plunger heads (syringe tips) are stored. Each plunger head has an annular flange, and a socket for receiving the end of a cooperating plunger shaft and is stored in its cavity with its socket facing the open end of the storage cavity. The tool also includes elongated passage defining structure for receiving a related plunger shaft. The cross-sectional dimension of the elongated passage is uniform along its length and is less than the annular flange portion of a replacement plunger head stored in a cavity such that axial movement of a plunger shaft in the elongated passage is effective to remove the attached plunger head. The exposed attachment end of the plunger shaft is then inserted into a storage cavity to attach a replacement plunger head for removal from the storage cavity without handling the sealing surfaces of the plunger head.
REFERENCES:
patent: 1556240 (1925-10-01), Morrissey
patent: 2386416 (1945-10-01), Wilhelm
patent: 3237294 (1966-03-01), Brandeberry
patent: 3279044 (1966-10-01), Roper
patent: 3380141 (1968-04-01), Rofer
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patent: 3871057 (1975-03-01), Moulin
patent: 3921804 (1975-11-01), Tester
patent: 3940840 (1976-03-01), Bellia
patent: 4298120 (1981-11-01), Kaneko et al.
Combs Ervin M.
Instrumentation Laboratory Inc.
Nichols Steven E.
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