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A walker has a frame with two opposing sides joined at a front of the walker, each side having front and rear legs and a handle at a top of each side. Each handle is connected to the frame through a rotatable joint so the handles have a first position a first position in which the handle is generall

A walker has a frame with two opposing sides joined at a front of the walker, each side having front and rear legs and a handle at a top of each side. Each handle is connected to the frame through a rotatable joint so the handles have a first position a first position in which the handle is generally horizontal for walking, and a second position in which that handle is lowered closer to the seat making it easier to sit and stand. The joint is locked into each position.

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1. A walker having a frame with two opposing sides joined at a front of the walker, each side having front and rear side-frame members with wheels on the lower ends of at least the two front or two rear side-frame members, the walker having a seat connected to the frame and extending from the front

1. A walker having a frame with two opposing sides joined at a front of the walker, each side having front and rear side-frame members with wheels on the lower ends of at least the two front or two rear side-frame members, the walker having a seat connected to the frame and extending from the front toward a back of the walker and a generally horizontal handle at a top of each side, the walker comprising: two rotatable joints each having a lower and upper joint portion connected to rotate about a joint rotation axis and each joint having its lower joint portion connected to a different side-frame member on a different side of the frame with the upper joint portion connected to a different handle member having one of the handles at a distal end of the handle member, each joint having a first position in which the handle associated with the joint is generally horizontal and a second position in which that handle is lowered closer to the seat;wherein each joint is locked in the first position by placing the joint inside the side-frame member to which the joint is connected and restraining movement of the joint along a longitudinal axis of the side-frame member. 2. The walker of claim 1, wherein each joint is sized and configured so that it may fit inside of the respective side-frame member to which the joint is connected. 3. The walker of claim 1, wherein the second position places a distal end of each handle pointed toward the seat. 4. The walker of claim 1, wherein the second position places a respective handle member close enough to the seat so that a user can push downward on the respective handle member when sitting or when moving to the standing position. 5. The walker of claim 1, wherein at least one of said handle members has a length that may be changed in order to vary a height the respective handle of said at least one of said handle members. 6. The walker of claim 1, wherein at least one of said joints may be located at different locations within the respective side-member in order to vary a height of the respective handle on the respective handle member. 7. The walker of claim 1, further wherein each joint has its lower joint member releasably connected to the respective frame member. 8. The walker of claim 1, further comprising a backrest having an upper and lower portion with the upper portion connected to an upper cross-member extending between the sides of the walker. 9. The walker of claim 8, wherein the seat is rotatably connected to a cross-member located at the front of the frame and extending between the sides of the frame, and wherein the lower portion of the backrest is releasably connected to that same cross-member. 10. The walker of claim 8, wherein the backrest has a releasable connection between the lower portion of the backrest and a lower cross-member extending between the sides of the walker. 11. The walker of claim 10, wherein the releasable connection comprises one of straps, hooks or clips. 12. The walker of claim 1, wherein each handle has a hand actuated brake handle in communication with a different one of the wheels and configured to restrain rotation of that wheel when the brake handle is actuated. 13. The walker of claim 1, further comprising rotational-limiting stops on at least one of said joints to position the respective handle member in the second position. 14. A walker having a frame with two opposing sides joined at a front of the walker, each side having front and rear side-frame members with wheels on the lower ends of at least the two front or two rear side-frame members, the walker having a seat connected to the frame and extending from the front toward a back of the walker and a generally horizontal handle at a top of each side, the walker comprising: two rotatable joints each having a lower and upper joint portion connected to rotate about a joint rotation axis and each joint having its lower joint portion connected to a different side-frame member on a different side of the frame with the upper joint portion connected to a different handle member having one of the handles at a distal end of the handle member, each joint having a first position in which the handle associated with the joint is generally horizontal and a second position in which that handle is lowered closer to the seat, wherein each joint is sized and configured so that it may fit inside of the respective side-frame member to which the joint is connected. 15. A walker having a frame with two opposing sides joined at a front of the walker, each side having front and rear side-frame members with wheels on the lower ends of at least the two front or two rear side-frame members, the walker having a seat connected to the frame and extending from the front toward a back of the walker and a generally horizontal handle at a top of each side, the walker comprising: two rotatable joints each having a lower and upper joint portion connected to rotate about a joint rotation axis and each joint having its lower joint portion connected to a different side-frame member on a different side of the frame with the upper joint portion connected to a different handle member having one of the handles at a distal end of the handle member, each joint having a first position in which the handle associated with the joint is generally horizontal and a second position in which that handle is lowered closer to the seat, wherein each joint may be located at different locations within the respective side-member in order to vary a height of the associated handle on the respective handle member.