Dental patient chair with changing patient position while mainta

Details Dental patient chair with changing patient position while mainta Dental patient chair with changing patient position while mainta

1991-12-17

1993-04-20

Brittain, James R.

Chairs and seats

Movable bottom

Bottom and back movable as a unit

297346, 297330, A47C 102, A47C 106, A47C 112

Patent

active

052036090

ABSTRACT:
A dental patient chair has a seat, backrest and headrest which are adjustable in both the horizontal and vertical directions relative to a base part to establish a given chair position for treatment. The patient chair includes a controllable positioning arrangement which enables positioning a reference point or "mouth point" in a particular position in both the vertical and horizontal directions and enables varying this point in view of changes either in the size of the patient, the size of the attending person, or a change between a sitting and standing position for the attending person.

REFERENCES:
patent: 3804460 (1974-04-01), Leffler
patent: 3934928 (1976-01-01), Johnson
patent: 3984146 (1976-10-01), Krestel et al.
patent: 4128797 (1978-12-01), Murata
patent: 4650247 (1987-03-01), Berg et al.

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