Pole vaulting device and method
a technology of pole vaulting and nets, which is applied in the field of pole vaulting nets, can solve the problems of increased risk, increased cost, and serious injury to the vaulter (or her), and achieve the effects of preventing injuries from pole vaulting, catching the vaulter safely, and being easy to disassemble and mov
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[0023] Referring now to Fig. 1A, a top view of the preferred embodiment of the base frame 2 for the present invention will be described. The base frame 2 may sometimes be referred to as the grid 2. The base frame 2 includes a longitudinal beam means (sometimes referred to as length), a latitudinal beam means (sometimes referred to as width) and diagonal beam members. The longitudinal beam, the latitudinal beam, and the diagonal beams, in the most preferred embodiment, are channel bar segments, as will be more fully explained later in the application. The longitudinal beam means contains member 4a, member 4b, member 6a, member 6b, member 8a and member 8b, wherein members 4a and 4b cooperate to form a first variable length beam, members 6a and 6b cooperate to form a second variable length beam, and members 8a and 8b cooperate to form a third variable length beam. On the opposite side, the longitudinal beam means contains the member 10a, member 10b, member 12a, member 12b, member 14a, ...
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