Abstract
As we have seen, design is invariably the further development of one or more inventive ideas (old or recent). In developing these ideas, the designer makes use of a whole range of constructional elements such as screws, wedges, levers, wheels and so on, which date from the very beginnings of technology and were themselves, at one time, inventions. As fresh inventions are constantly being made, the number of such constructional elements is continually growing; when they reach the stage of being common knowledge, and when the patent rights on the invention have expired, they are known as machine elements. Any mechanical device invented now will become—if it is useful—a machine element after a few years.
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© 1974 Blackie & Son Limited
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Leyer, A. (1974). Design components. In: Urry, S. (eds) Machine Design. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-6006-3_3
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DOI: https://doi.org/10.1007/978-94-011-6006-3_3
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-011-6008-7
Online ISBN: 978-94-011-6006-3
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