Adjustable stock assembly for fluid spray gun and methods

1. An adjustable stock assembly for a fluid spray gun, the stock assembly comprising: (a) a flexible body rest pad arrangement having a profile shape; and (b) a pad shape adjustment system operably associated with the pad arrangement; (i) the pad shape adjustment system being operable to change the profile shape of the pad arrangement between at least a concave profile shape, a convex profile shape, and a straight profile shape.

2. The adjustable stock assembly of claim 1 wherein:

(a) the pad shape adjustment system includes a linkage arrangement secured to the pad arrangement.

3. The adjustable stock assembly of claim 2 further comprising:

(a) a first extension member, at least a portion of the pad shape adjustment system being adjustably fixed to the first extension member;

(i) the first extension member defining a slot arrangement; and

(b) a shape change handle secured to the linkage arrangement and releasably secured to the first extension member along the slot arrangement.

4. The adjustable stock assembly of claim 3 wherein:

(a) the linkage arrangement includes a first link pair secured to the pad arrangement, a second link pair secured to the pad arrangement, and a third link pair secured to each of the first link pair and second link pair.

5. The adjustable stock assembly of claim 1 wherein:

(a) the pad shape adjustment system includes an adjustable clamp such that when the clamp is tightened, the pad arrangement is fixed in profile shape, and when the clamp is loosened, the profile shape of the pad arrangement is changeable.

6. The adjustable stock assembly of claim 5 further comprising:

(a) a shape change handle operably secured to the clamp, the shape change handle being operable to tighten or loosen the clamp.

7. The adjustable stock assembly of claim 1 wherein:

(a) the pad arrangement includes at least a body rest pad of compressible material and a body rest plate against the body rest pad.

8. The adjustable stock assembly of claim 7 wherein:

(a) the pad shape adjustment system includes a linkage arrangement secured to the body rest plate of the pad arrangement.

9. The adjustable stock assembly of claim 8 wherein:

(a) the pad shape adjustment system includes an adjustable clamp secured to the linkage arrangement.

10. The adjustable stock assembly of claim 9 wherein:

(a) the adjustable clamp is operably associated with the linkage arrangement such that when the clamp is tightened, the pad arrangement is fixed in profile shape, and when the clamp is loosened, the clamp can move the linkage arrangement and change the profile shape of the pad arrangement.

11. The adjustable stock assembly of claim 1 further comprising:

(a) a first extension member, at least a portion of the pad shape adjustment system being adjustably fixed to the first extension member; and

(b) a second extension member slidably adjustable relative to the first extension member such that a total length of the first extension member and second extension member is adjustable from the pad arrangement.

12. The adjustable stock assembly of claim 11 further comprising:

(a) a length adjustment clamp releasably secured to the first and second extension members such that when the length adjustment clamp is tightened, the first and second extension members are fixed to each other, and when the adjustment clamp is loosened, the second extension member can be slid relative to the first extension member to adjust the total length of the first extension member and second extension member from the pad arrangement.

13. The adjustable stock assembly of claim 1 further comprising:

(a) a first extension member, at least a portion of the pad shape adjustment system being adjustably fixed to the first extension member; and

(b) the pad arrangement being rotatably adjustable relative to the first extension member.