(12) United States Patent Hoffman US006749548B2 (10) Patent N0.: (45) Date of Patent: US 6,749,548 B2 Jun. 15, 2004 (54) RESTRAINT AND EXERCISE DEVICE

U.S. Patent Jun. 15,2004 Sheet 9 0f 25 US 6,749,548 B2 114a 1168 114b 11% /\/11() \/\120\/\ 114) “A116 k‘ y FIG. 8A

U.S. Patent Jun. 15,2004 Sheet 10 0f 25 US 6,749,548 B2 138 139C 2 188\ /142 A 138a ,,,, ’” q’ 1 / \\\\\\\\\\\\\\\ I1 ‘I11 II/I/ 136 134 4I139 139ajL\

U.S. Patent Jun. 15,2004 Sheet 15 0f 25 US 6,749,548 B2 156 168 110/\/ 170

U.S. Patent Jun. 15,2004 Sheet 16 0f 25 US 6,749,548 B2 179 2 a 190 2 184‘ 18? C 111k a 188 <180 65 188 184 1 82" FIG. 11B

U.S. Patent Jun. 15, 2004 Sheet 17 0f 25 US 190 188 188 6,749,548 B2 182 180

US 6,749,548 B2 Page 2 US. PATENT DOCUMENTS 5,176,706 A 1/1993 Lee ... .. 606/237 _ 5,217,487 A 6/1993 606/240 2,552,475 A 5/19

U.S. Patent Jun. 15,2004 Sheet 18 0f 25 US 6,749,548 B2 72 FIG. 12

U.S. Patent Jun. 15,2004 Sheet 1 0f 25 US 6,749,548 B2 U f-\/11 10 12 FIG. 1

U.S. Patent Jun. 15,2004 Sheet 2 0f 25 US 6,749,548 B2 1 21 FIG. 2

U.S. Patent Jun. 15,2004 Sheet 3 0f 25 US 6,749,548 B2 10 FIG. 3

U.S. Patent Jun. 15,2004 Sheet 4 0f 25 US 6,749,548 B2

U.S. Patent Jun. 15,2004 Sheet 5 0f 25 US 6,749,548 B2 FIG. 5 ‘L11 QT 40

U.S. Patent Jun. 15,2004 Sheet 7 0f 25 US 6,749,548 B2 50 0 R‘ “14 13 6 é: 4 i 3 w 2 u \/ n 5 .4? u 9 8 “ 1 9 / 7 I/ 6 \/\11 10 12 FIG. 7