Coat hanger has extensions for its arms which have U-profile and fit over tops of arms, catches at their bases fitting into recesses under arms, which allows degree of extension to be adjusted
摘要
The coat hanger has extensions (10, 11) for its arms (2, 3) These have a U-profile and fit over the tops of the arms, catches (15) at their bases fitting into recesses (7) under the arms, which allows the degree of extension to be adjusted.