Joints and connections – Interfitted members – Radially interposed shim or bushing
Patent
1994-04-06
1994-12-20
Reese, Randolph A.
Joints and connections
Interfitted members
Radially interposed shim or bushing
403368, 403361, 403362, F16B 100
Patent
active
053741366
ABSTRACT:
The bracket (12) is bolted loosely to the attachment arm (14) of a dental chair to establish a preliminary orientation of the bracket relative to the attachment arm. The bracket is then levelled with adjustment screws (40) which bear against a surface on the attachment arm to establish a level orientation. The bolt fastening the bracket to the attachment arm is then tightened to fix the level orientation.
REFERENCES:
patent: 2634144 (1953-04-01), Friedman
patent: 3250583 (1966-05-01), Phillips
patent: 3656783 (1972-04-01), Lothar
patent: 4316678 (1982-02-01), F'Geppert
patent: 4598443 (1986-07-01), Ostling
patent: 4884916 (1989-12-01), Johnson, III
patent: 4929111 (1990-05-01), Lauritano
patent: 5197345 (1993-03-01), Rose
Marus Dental Products Instruction Manual, pp. II-IV (1979).
Marus Dental Equipment and Accessories Retail Price Catalogue, p. 39 (Spring 1982).
A-Dec Equipment Catalog, p. 42 (Sep. 1991) (Illustrating typical levelling assemblies comprising a levelling collar having horizontal set screws for levelling dental appliances attached to a post that is inserted into the collar).
A-Dec. Inc.
Knight Anthony
Reese Randolph A.
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