Mechanical arm for supporting a dental instrument holder
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FIG. 1 is a top perspective view of a mechanical arm for supporting a dental instrument holder showing our new design and the broken lines are shown for illustrative purposes only;
FIG. 2 is a bottom perspective view of the mechanical arm for supporting a dental instrument holder showing our design;
FIG. 3 is a bottom plan view of the mechanical arm for supporting a dental instrument holder;
FIG. 4 is a top plan view of the mechanical arm for supporting a dental instrument holder;
FIG. 5 is a right-side elevational view of the mechanical arm for supporting a dental instrument holder;
FIG. 6 is a left-side elevational view of the mechanical arm for supporting a dental instrument holder;
FIG. 7 is a rear elevational view of the system; and,
FIG. 8 is a front elevational view of the mechanical arm for supporting a dental instrument holder.
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Type: Grant
Filed: Jan 8, 1993
Date of Patent: Mar 21, 1995
Assignee: A-Dec, Inc. (Newberg, OR)
Inventors: Carl G. Nordstrom (Lake Oswego, OR), Andrew G. Schaefers (Newberg, OR)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Law Firm: Klarquist Sparkman Campbell Leigh & Whinston
Application Number: 0/3,491
