CPC B60C 29/064 (2013.01) [Y10T 137/3724 (2015.04)] | 9 Claims |
1. A chuck for inflating a tire having a Presta valve, comprising:
a valve engagement device defining an aperture with a central axis and a diameter, the valve engagement device movable radially with respect to the central axis to increase and decrease the diameter of the aperture;
a locking device engaged with the valve engagement device to lock the valve engagement device in a selected radial position with respect to the central axis of the aperture;
a seal positioned within the valve engagement device, the entire seal moving radially with the valve engagement device;
wherein the seal is a multipart element; and
wherein the seal has a first end with a first diameter and a second end having a second diameter, wherein the first diameter is equal to the second diameter as the seal moves radially.
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