Door lock assembly having a press button in an inner handle
OwnerChia-Min Sun, Sheen-Youl Gao +1inventors
InventorsChia-Min Sun, Sheen-Youl Gao, Song-Gen Shyu
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Abstract
A door lock assembly includes a press button disposed within an inner drive tube and an inner handle. A cam mechanism is provided to associate with the press button and the inner drive tube to rotate the press button when the press button is pressed axially. The cam mechanism includes an inclined cam groove/slot which is formed in one of the inner drive tube and the press button and which extends substantially in a helical direction, and a cam protrusion formed on the other one of the inner drive tube and the press button and extending into the cam groove/slot. A press button rod is connected to the press button for simultaneous rotation with the press button.
Claims17
A door lock assembly comprising:
- an inner handle;
- an inner drive tube inserted into said inner handle and engaging said inner handle for simultaneous rotation therewith;
- a press button disposed within said inner drive tube and said inner handle, and including an outer press end exposed from said inner handle;
- a cam mechanism associated with said press button and said inner drive tube to rotate said press button when said outer press end is pressed axially, said cam mechanism including an inclined cam groove/slot which is formed in one of said inner drive tube and said press button and which extends substantially in a helical direction, and a cam protrusion formed on the other one of said inner drive tube and said press button and extending into said cam groove/slot;
- and
- a press button rod extending into said inner drive tube and having one end portion connected to said press button for simultaneous rotation with said press button.
Dependencies are inferred from the claim text.