Title: Dental treatment chair assembly

Abstract: The disclosure relates to a dental treatment chair assembly wherein the assembly is detachably positioned inside the backrest of the chair and comprises a number of cartridge boxes; each of the boxes contains therein an instrument and an extensible connecting pipe and means for assisting manual extension and reeling-in of the pipes from the top of the shoulder part of the backrest, whereby a dentist can arrange the type, number and position of dental instruments in compliance with his convenience and desire by arranging the cartridge boxes. Any instrument can be removed and repaired by withdrawing the cartridge box that contains the defective instrument.

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Inventors: Tsukada, Naonobu (Joyou, JP)
Nishimura, Katsuyoshi (Kyoto, JP)

Application Number: 874197
Filing Date: 1978-02-01
Publication_date: 1980-07-01
Assignee: Kabushiki Kaisha Morita Seisakusho (Kyoto, JP)
Primary Class(es): 433/33 433/78
Other Classes:
US Patent Ref:

3259430	Jul, 1966	Beach	32/22.
3427719	Feb, 1969	Gordon et al.	32/22.
3733481	May, 1973	Kuyt	32/22.
3802736	Apr, 1974	Valeska et al.	297/191.

Other Refs: 2129945

Dec, 1972	DE

Primary Examiner: Mancene, Louis G.
Assistant Examiner: Wilson, John J.
Attorney: Koda and Androlia