Torsion spring powered door

Details Torsion spring powered door Torsion spring powered door

H - Electricity

05

K

347/1, 312/73

H05K 5/02 (2006.01) A47B 95/00 (2006.01) E05F 1/16 (2006.01)

Patent

CA 1311259

Bischof-Rumps 2-2 Abstract of the Disclosure An access door has a frame formed with longitudinally extending channels which receive a closure element for sliding therealong. A torsion spring secured to the frame and to the closure element maintains the closure element inan open or closed position. - 6 -

558913

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