A hand-powered watercraft 100 comprises two sections 102 and 103 releasably joinable to one another at a joint. The joint comprises a first interlocking face 123 on a first of the sections and a second interlocking face 124 on a second of the sections. The first and second interlocking faces being correspondingly shaped such that they interlock with one another when the first and second sections are joined and are releasable from one another in a release direction. The first and second interlocking faces being shaped such that when joined movement in the release direction alone is allowed. All corners on the first interlocking face and all corners on the second interlocking face are greater than 90 degrees. A method of manufacturing the hand-powered watercraft is also disclosed.
Hand-powered watercraft
2022-11-02
Patent
Electronic Resource
English