Working well

Details Working well Working well

1981-01-08

1983-05-10

Peshock, Robert

Dentistry

Apparatus

Having storage or nonuse supporting means

433102, 422300, A61C 114

Patent

active

043827888

ABSTRACT:
A working well is provided for use during root canal therapy and comprises a base with a closed annular side wall and an elongated stem secured to and extending vertically upwardly from the base. A holder for a plurality of dental implements, such as broaches, is attached to the upper end of the side wall so that the implements depend downwardly from the holder. A slide assembly is vertically slidably mounted to the stem and has a stop member with an abutment surface secured to its lower end. The stop member limits the downward extension of the dental implements from the holder. A locking wheel selectively locks the slide assembly against further vertical movement along the stem.

REFERENCES:
patent: 1553492 (1925-09-01), Williams
patent: 2666220 (1954-01-01), Sutch
patent: 3295208 (1967-01-01), Redtenbacher
patent: 3938253 (1976-02-01), Barnard et al.
patent: 4182040 (1980-01-01), Bechtold
patent: 4212639 (1980-07-01), Schaffner

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