| 主权项 |
1. A training sled comprising:
a) an upper portion, including:
i) a pair of runners arranged in parallel relative to a center axis and a plane;ii) a head crossbar extending between the runners near a first end of the runners and joined thereto;iii) a weight bearing portion affixed to and extending between the pair of runners near mid-sections thereof; andiv) a rear crossbar extending between and disposed above the plane of the runners proximate second ends thereof and joined thereto opposite the head crossbar so as to present a rearward facing surface against which force may be applied; and b) a selectively removable modular ski assembly disposed beneath the runners of the upper portion including at least two skis attached to each other by at least one lateral crossbar, the modular ski assembly being removable to permit the training sled to be pushed or pulled on the bottom surface of the runners in a first mode of operation without the removable modular ski assembly, and in a second mode of operation with the removable modular ski assembly attached to permit the training sled to be pulled on the skis; wherein relative movement between the upper portion and the selectively removable ski assembly is limited at least in part by a removable locking pin, and wherein the removable locking pin is disposed in a plurality of flanges on at least one of the skis near the back of the at least one ski, wherein the locking pin spans across the upper side of the ski and prevents a runner of the upper portion from sliding backwardly out of the ski assembly. |
