Powered access window for machinery

Details Powered access window for machinery Powered access window for machinery

2005-08-02

2005-08-02

Redman, Jerry (Department: 3634)

Movable or removable closures

Mounted for optional movements

One closure movable separately from or with other closure

C049S163000, C049S349000, C049S360000

Reexamination Certificate

active

06922944

ABSTRACT:
A powered access window for machinery includes a powered window pane, two track members, an actuation device. The powered access window replaces a window pane in a sliding door of an automatic safety door. Each track member extends from an opposing end of the sliding door. Preferably, at least two roller bars are slidably received by a roller track member. The roller bars are also attached to one end of the powered window pane. The other end of the powered window pane is slidably retained by a retention track member. The actuation device is preferably attached to the roller track member. An actuation member of the actuation device is attached to the one end of the powered window pane. The actuation member makes a lateral motion relative to a body of the actuation device to raise and lower the powered window pane.

REFERENCES:
patent: 3762099 (1973-10-01), Chaisson
patent: 4669222 (1987-06-01), Ujihara et al.
patent: 4691475 (1987-09-01), Maekawa
patent: 4716681 (1988-01-01), Ugawa
patent: 6477806 (2002-11-01), Asada et al.

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