| 摘要 |
To be able to adjust stair units, like stairs, banisters, etc. in a simple manner in strings of a staircase, dependent on angles of the staircase, heights of floors, etc. on the building site, an adjustable fastener is provided to comprise a first member (2) having a shape and size corresponding to a milled recess in the string (A) of the staircase. Said member (2) is joined with a second member (1) having a shape and size adapted to the stair unit (B) which it is to support. Said joining comprises a rotational shaft connection (3) combined with at least one adjustable connection (5, 4), and said adjustable connection (5, 4) is lockable upon being correctly adjusted. |
