Adjustable bend assembly for a downhole motor

A downhole motor for directional drilling, comprising:

• a driveshaft assembly including a driveshaft housing and a driveshaft rotatably disposed within the driveshaft housing, wherein the driveshaft housing has a central axis, a first end, and a second end opposite the first end, and wherein the driveshaft has a central axis, a first end, a second end opposite the first end, and a receptacle extending axially from the second end of the driveshaft;
• a bearing assembly including a bearing housing and a bearing mandrel rotatably disposed within the bearing housing;
• wherein the bearing housing has a central axis, a first end coupled to the driveshaft housing, and a second end opposite the first end;
• wherein the bearing mandrel has a central axis coaxially aligned with the central axis of the bearing housing, a first end directly connected to the second end of the driveshaft with a universal joint, and a second end coupled to a drill bit, wherein the first end of the bearing mandrel is disposed within the receptacle of the driveshaft.

A downhole motor for directional drilling, comprising:

• a driveshaft assembly including a driveshaft housing and a driveshaft rotatably disposed within the driveshaft housing, wherein the driveshaft housing has a central axis, a first end, and a second end opposite the first end, and wherein the driveshaft has a central axis, a first end, a second end opposite the first end, and a receptacle extending axially from the second end of the driveshaft;
• a bearing assembly including a bearing housing and a bearing mandrel coaxially disposed within the bearing housing;
• wherein the bearing housing has a central axis, a first end coupled to the driveshaft housing, and a second end opposite the first end;
• wherein the bearing mandrel has a first end pivotally coupled to the second end of the driveshaft and a second end coupled to a drill bit, wherein the first end of the bearing mandrel is disposed within the receptacle of the driveshaft, wherein the first end of the bearing mandrel extends from the bearing housing into the driveshaft housing.