Balancing device for dental arm

Details Balancing device for dental arm Balancing device for dental arm

1983-07-25

1985-02-26

Wilson, John J.

Dentistry

Apparatus

Having storage or nonuse supporting means

362427, 362804, A61C 114

Patent

active

045015570

ABSTRACT:
The present invention relates to a balancing device for vertically movable dental arms such as a dental light arm and a dental tray arm, and more specifically to a balancing device which is capable of accurately positioning the arm at any desired position by sufficiently balancing the weight of a load head with the force of the spring member coaxially inserted in the arm. The balancing device features compact size, low cost and high operability.

REFERENCES:
patent: 2547532 (1951-04-01), Mendelsohn
patent: 3584793 (1971-06-01), Ilzig
patent: 3764795 (1973-10-01), Austin, Jr.
patent: 3805388 (1974-04-01), Kato

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