In the statement, Column 1, line 3, "Stylal" should be deleted, and, "Styal" should be inserted. In the statement, Column 2, line 25, "ratchet" should be deleted, and, "ratchets" should be inserted. In the statement, Column 3, line 2, "space" should be deleted, and, "spacer" should be inserted. In the statement, Column 3, line 19, "whee ls" should be deleted, and "wheels" should be inserted. In the statement, Column 3, line 26, "chain" should be deleted, and, "chained" should be inserted.