Mechanical Windshield Wiper Blade Wear System
AssigneeIllinois Tool Works Inc.
InventorMartin William Rosas
Life of this patent
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Abstract
Described is a wiper blade for a windshield of a vehicle. The wiper blade having a frame structure, a squeegee, a window, and a blade-wear system. The squeegee is coupled to the frame structure and includes a wiping lip. A window is positioned in or on the frame structure. A visual indicator transitions between a first position and a second position. The visual indicator is visible through the window when in the second position. The blade-wear system can be include an advancement mechanism, a gear train, and an indication mechanism. The advancement mechanism advances the gear train a predetermined amount to allow the indication mechanism to be viewable.
Claims20
A wiper blade comprising:
- a frame structure;
- a squeegee coupled to the frame structure, wherein the squeegee comprises a wiping lip;
- a window positioned in or on the frame structure;
- and
- a visual indicator configured to transition between a first position and a second position, wherein the visual indicator is visible through the window when in the second position.
A blade-wear system for a wiper blade having a wiping lip and a window, the blade-wear system comprising:
- a gear train;
- an advancement mechanism configured to advance the gear train in response to movement of the wiper blade across a surface;
- and
- an indication mechanism coupled to the advancement mechanism via the gear train, wherein the indication mechanism is configured to indicate a number of completed cycles of the wiper blade via a visual indicator that is visible through the window.
A wiper blade comprising:
- a frame structure having a window;
- a squeegee coupled to the frame structure, wherein the squeegee comprises a wiping lip:
- an advancement mechanism configured to advance a gear train in response to movement of the wiper blade across a surface;
- and
- an indication mechanism coupled to the advancement mechanism via the gear train, wherein the indication mechanism is configured to indicate a number of completed cycles of the wiper blade via a visual indicator that is visible through the window,
- wherein the visual indicator is configured to transition between a first position and a second position, and
- wherein the visual indicator is visible through the window when in the second position.
Dependencies are inferred from the claim text.