Work holders – Work-underlying support – With tool couple element
Patent
1991-07-19
1992-10-20
Swann, J. J.
Work holders
Work-underlying support
With tool couple element
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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