![]() In his application, he claimed that “the archer’s bow has not changed in basic design since the development of the long bow many centuries ago”, which is essentially true, even if the long bow had been in use for several millennia.Ī bow works like a leaf spring, which is kept under tension by a string attached to both ends. An inventor named Holless Wilbur Allen (1909-1979) had applied for it three years earlier, after spending much time experimenting with different designs in order to develop a bow able to store more energy and accelerate an arrow with greater speed, without the need for a longer draw or more force to hold the string in a fully drawn position. ![]() ![]() 3,486,495 for an archery bow with draw force multiplying attachments. On 30 December 1969 the US Patent Office published patent no.
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