Patent ID: 9380844
Filing Date: 2016-07-05
CPC Classification: A45B

Claim Text:
1. An adjustable umbrella, comprising: an umbrella base; a stand column removably connected to the umbrella base, the stand column having a top; a sliding sleeve slidably connected to the stand column; a cross rod, movably connected to the sliding sleeve and slidable relative to the stand column, having a bottom end, a top end, and a bottom joint, the bottom joint being disposed on the bottom end of the cross rod; an adjustment mechanism is provided between the bottom joint and the bottom end of the cross rod, comprising an upper toothed cylindrical clutch with a rear end, an outer wall, and an inner wall, a lower toothed cylindrical clutch with a front end and a rear end, and a spring; a drawing rod having a first end and a second end, the first end of the drawing rod rotatably connected to the top of the stand column, the second end of the drawing rod rotatably connected to the cross rod; and an umbrella frame with a top, wherein the top of the umbrella frame is rotatably attached to the top end of the cross rod, the bottom joint of the cross rod is rotatably connected to the sliding sleeve, the bottom joint has a front that extends forwards to form an extension portion, the lower toothed cylindrical clutch slides over the extension portion of the bottom joint and is capable of moving along the axis of the extension portion, the upper toothed cylindrical clutch is connected to the front end of the lower toothed cylindrical clutch and slides over the extension portion, the front end of the lower toothed cylindrical clutch has a recess with an inner wall for receiving the rear end of the upper toothed cylindrical clutch, the inner wall of the recess and the outer wall of the upper toothed cylindrical clutch are provided with matching looped teeth; the spring slides over the extension portion and is disposed between the bottom joint and the rear end of the lower toothed cylindrical clutch, the spring is able to move the lower toothed cylindrical clutch to engage the upper toothed cylindrical clutch; an internal tube is rotatably disposed inside the cross rod, the internal tube has a top end and a bottom end, the bottom end of the internal tube is connected to the adjustment mechanism, the top end of the internal tube is connected to the top of the umbrella frame.