Work rest, as used in particular by dental technicians and golds

Details Work rest, as used in particular by dental technicians and golds Work rest, as used in particular by dental technicians and golds

1987-12-22

1989-04-25

Watson, Robert C.

Work holders

With catch pan

B23Q 300

Patent

active

048240834

ABSTRACT:
The work rest is typical of those used by dental technicians and goldsmiths, but comprises an air intake point (7) at the side of the work area (4) remote from the craftsman; this connects directly with a suction pipe (5) beneath and is surmounted by a folding cowl (9) consisting in a rear member (10), rigidly interconnecting two side members (11), and a top member (13) hinged between centers near the top edge of the rear member. The entire cowl assembly pivots about a horizontal axis adjacent to the rear edge of the air intake (7).

REFERENCES:
patent: 4300421 (1981-11-01), Yano et al.
patent: 4576072 (1986-03-01), Terpstra et al.
patent: 4650171 (1987-03-01), Howorth

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