| 摘要 |
The specification discloses a roller wheel assembly (10) for supporting sliding doors and windows, the roller wheel assembly including a support housing (11) to be fixed into or located within a mounting cavity of the door or window, the support housing having opposed side walls (15/19, 16/20) defining an open lower face (27), a height adjusting mechanism including a relatively movable actuator (25) with a threaded shank region (26) and a pin member (57) having opposed end regions (74, 75) engageable in aligned inclined slots (23, 24) in the opposed side walls (15/19, 16/20), the roller wheel assembly (10) further including at least one roller wheel carriage (13) having at least one rotatably mounted roller wheel (45) which in use projects at least partly through the open lower face (27) of the support housing (11) and a holder structure (12) arranged to hold the roller wheel carriage or carriages (13), the holder structure (12) being positioned between the side walls (15/19, 16/20) of the support housing (11) and includes engagement means (31) to receive the pin member 57 through a bore (61), the engagement means (31) and pin member (57) including cooperable formations (58) to hold the pin member (57) in a retained position with the opposed end regions (74, 75) engaged in the aligned inclined slots (23, 24). 575 35 36 32 43 +3 1+8 45 45 +7 48 30 2+ fig 2 |
