Roof mast for fixing to rafters consists of pipe construction adjustable according to roof slope and is accommodated by peripheral angled rail construction with which it is attached to rafters

摘要

The mast (11,12) consists of a pipe construction that can be adjusted according to the roof slope and is accommodated by rails (6) with which it is attached to rafters. The rail construction consists of a peripheral angled frame and is used for attachment to rafters without requiring further drilling. An independent claim is also included for the following: (a) rails for accommodating the inventive mast.