F - Mech Eng,Light,Heat,Weapons – 41 – B
Patent
F - Mech Eng,Light,Heat,Weapons
41
B
F41B 5/14 (2006.01) F41B 3/02 (2006.01) F41B 5/00 (2006.01)
Patent
CA 2240141
A multi-phase connector includes an elastic tube and a tether disposed inside the tube. The length of the tether is greater than the length of the unstretched tube but less than the length of the tube if stretched to its elastic limit. As a result, the connector resiliently stretches until the tether becomes taut. When at rest, the elastic tube may be disposed within a housing which provides UV protection. Applications for the connector include exercise apparatus and projectile launching apparatus. A preferred embodiment sling bow has rigid guide tubes mounted to a universal frame which allows both the handle and guide tube assembly to pivot. The elastic thrust tubes are disposed inside the rigid guide tubes and secured to their forward ends with tension adjusters. A pull-limiting/safety line is disposed inside each elastic tube and is connected to the bow string proximate the rearward end of the elastic tube and to the tension adjuster proximate the forward end of the elastic tube. Sights are mounted on the upper guide tube, and arrow rests are installed between the two guide tubes. A pull knob or pull loop is secured to the bow string center position. When the bow string is pulled back, the arrow will stay aligned with the sights due to the universal pivot feature of the sling bow. Features of the preferred embodiment include UV degradation protection of the elastic tubes, safety protection for the shooter if an elastic tube should break or become detached from its mounting, over-draw protection, right or left-hand shooting capability, and collapsibility of the sling bow handle parallel to the guide tubes to facilitate storage in a pocket, holster, or backpack.
Cassan Maclean
Kysilka James Otto
LandOfFree
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