Window polishing stand

Work holders – Work-underlying support – With tool couple element

Patent

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Details

269285, 269286, B23Q 300

Patent

active

051563835

ABSTRACT:
A window polishing stand for securely receiving and holding selected ones of a class of aircraft window panels during a polishing operation. The stand consists of a planar panel member having a generally oval hole cut centrally therein and having at least three short legs supporting about the periphery to allow clearance beneath the panel member. A quadrature array of felt pads are then included around the edge of the oval hole for padding purposes and clamping assemblies are provided on opposite sides in line with the minor axis of the oval hole thereby to provide secure positioning of the aircraft window with either the concave or convex side directed downward.

REFERENCES:
patent: 1000725 (1911-08-01), Duus
patent: 1159830 (1915-11-01), Clark
patent: 1283795 (1918-11-01), Kelley
patent: 2144849 (1939-01-01), Moore
patent: 2535581 (1950-12-01), Klingman
patent: 2743435 (1956-04-01), Wayne
patent: 3015692 (1962-01-01), Herrington
patent: 3056600 (1962-10-01), Merrick
patent: 4254946 (1981-03-01), Kerr et al.

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