Adjustable exhauster arm assembly

Details Adjustable exhauster arm assembly Adjustable exhauster arm assembly

1993-03-04

1994-08-09

Joyce, Harold

Ventilation

Workstation ventilator

Movable

B08B 1504

Patent

active

053361300

ABSTRACT:
An exhauster arm assembly for capturing gaseous fumes which comprises a base member connected to a support structure, a hood member, a plurality of rigid tubular sections disposed between the base member and the hood member, and a plurality of flexible tubular sections interconnecting the base member, the rigid tubular sections and the hood member such that fluid communication is provided between the base members and the hood member. A plurality of joint assemblies pivotally support the hood member and the rigid tubular sections. An actuator, controlled from a switch assembly located on the hood member, is mounted on the base member and the adjacent rigid tubular section to precisely position the hood member.

REFERENCES:
patent: 3818817 (1974-06-01), Nederman
patent: 4158462 (1979-06-01), Coral
patent: 4163650 (1979-08-01), Watson et al.
patent: 4379548 (1983-04-01), Bushoven
patent: 4860644 (1989-08-01), Kohl et al.
patent: 5036754 (1991-08-01), Simms et al.
patent: 5159737 (1992-11-01), Kimura et al.
patent: 5211602 (1993-05-01), Holmgren
Kemper "Always a Clean Solution", one page.
Nederman "Pivoting Arm", four pages.

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