Movable or removable closures – With means mounting closure for reciprocation – Slide or guide feature for closure removal
Reexamination Certificate
1999-07-09
2001-12-18
Strimbu, Gregory J. (Department: 3634)
Movable or removable closures
With means mounting closure for reciprocation
Slide or guide feature for closure removal
C049S463000, C049S465000
Reexamination Certificate
active
06330765
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to mounting side windows in a skid steer loader cab that has a steel outer screen with the window mounted on the interior and supported on a window frame. The side window includes a fixed panel and a horizontally sliding openable panel. The lower portion of the window frame has a section that can be released and easily and quickly be guided to a position to permit removal of the sliding window panel and the fixed window panel for service, cleaning or for replacement.
In the prior art, it has been known to have steel open mesh screens along the sides of operator cabs for skid steer loaders, and it is also desired to have windows that can be put on the interior of the operator cab so that during inclimate weather, the skid steer loader can be operated in comfort. The windows are useful when either heating or air conditioning of the interior of a cab is desired. However, the windows do become dirty and need to be cleaned from time to time. Because the exterior of the windows is covered with a steel screen that is fixed on the cab frame, cleaning the outside surfaces requires removal of the windows. This has been a problem with existing window frames that have to be completely removed in order to remove the window. The present invention provides a quickly movable portion of the window frame to permit both the sliding window panel and the fixed window panel to be removed for cleaning or other purposes.
SUMMARY OF THE INVENTION
The present invention relates to a frame for supporting windows on a skid steer loader cab which has integral, heavy, open mesh screens as part of the cab side wall, with the windows mounted on the interior. The windows are preferably made in two panels or sections, one of which is fixed, and the other of which is sliding so that the window can be moved to open an area of the side screen for ventilation. The sliding panel is mounted on tracks, while the fixed panel is held by the window frame.
A section of the lower window frame has a sliding window panel track and is movable along guide slots so that it can be dropped or moved away from its working position where it supports will engage a movable window panel. The frame section will then be disengaged from the sliding window panel so it can easily be removed. The fixed window panel also can then be removed by slipping it out of the frame and over the disengaged frame section.
The movable frame section is guided along slots to permit it to be positively positioned in its working position where it will guide the movable window panel and hold the bottom portion of the fixed glass panel is position. In its release position both window panels can be removed across the opening above the movable frame section.
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Clark Equipment Company
Strimbu Gregory J.
Westman Champlin & Kelly P.A.
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