Caterpillar Inc.

Michael A Calamari

Alan A Davidovich

A door frame assembly for a work machine includes a plurality of rectangular tubes, a plurality of zee shaped metal strips, and a plurality of resilient seals. The tubes are joined together to form a rectangular framework. Each metal strip is connected to one of the tubes and one of the seals is connected to a first leg portion of each of the strips. Each of the tubes and a second leg portion of each of the strips define a recess and a glass panel is adapted to rest within the recess and be bonded to the second leg portions. The door frame assembly is economical to manufacture and requires no expensive or complex forming tools.

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Nuneaton, United Kingdom

Michael A Calamari