Debris receiving trough

Details Debris receiving trough Debris receiving trough

1987-09-04

1989-02-07

Gibson, Jr., Robert W.

Supports: racks

Specially mounted

Wall or window

211175, 108 26, A47F 500

Patent

active

048025950

ABSTRACT:
A trough for attachment to the edge of a draftsman's table to receive debris such as that generated by erasures, etc. The trough is adjustable in length, supported by brackets and readily removable from the brackets so the debris may be emptied into a waste receptacle.

REFERENCES:
patent: 506530 (1893-10-01), McGrady
patent: 581681 (1897-04-01), Shauer
patent: 2600096 (1952-06-01), Cooper et al.
patent: 2637918 (1953-05-01), Mayhew
patent: 2770513 (1956-11-01), Brown
patent: 4099470 (1978-07-01), Cannon
patent: 4155310 (1979-05-01), Gregory
patent: 4250396 (1981-02-01), Moeller
patent: 4716840 (1988-01-01), Tringali et al.

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