Mixer fork for dental capsules

Details Mixer fork for dental capsules Mixer fork for dental capsules

1988-05-11

1990-01-02

Coe, Philip R.

Agitating

By movement of support for removable mixing chamber

Mixing chamber secured to support

366216, 366602, B01F 1100, A61C 506

Patent

active

048909319

ABSTRACT:
A mixer for dental capsules has a fork-type capsule holder which includes a pair of rigid arms (1, 2) one of which is provided with a pin (10) that passes through an opening (11) provided in the other arm (1). A helical spring (13) disposed about the pin (10) creates a tilting moment about the capsule holding location which causes the pin (10) to be caught by edges forming the opening (11), thereby producing a self-locking action which is not released during the mixing movement. For inserting and removing a capsule (5) in the inoperative condition of the mixer, the fork may be readily opened by pulling a handle (16) provided on the one arm (2) against the relatively weak force of the spring (13).

REFERENCES:
patent: 416096 (1889-11-01), Dom
patent: 1413651 (1922-04-01), Burnett
patent: 1490214 (1924-04-01), Johnson
patent: 2151123 (1939-03-01), Lavine
patent: 2201428 (1940-05-01), Chott
patent: 2597536 (1952-05-01), Shields
patent: 2759712 (1956-08-01), Hvistendahl
patent: 3218058 (1965-11-01), Smith
patent: 3749371 (1973-07-01), Folkenroth et al.
patent: 4074900 (1978-02-01), Drury

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