Abstract: An optical switch module includes a housing, at least two first collimators, at least two second collimators, a relay, and plural prisms. The housing has an accommodating space, a first sidewall, and a second sidewall. The first collimators are located on the first sidewall. Each of the first collimators connects even number of first fibers. The second collimators are located on the second sidewall. Each of the second collimators connects even number of second fibers. The second collimators are respectively aligned with the first collimators. The relay is located in the accommodating space and has a rotation support. The prisms are located on the rotation support and respectively between the first and second collimators. The rotation support is configured to enable at least one of the prisms to be in light transmission paths between the first fibers and the second fibers.

Abstract: A headrail, which is included in an opening covering for a building opening, includes a frame and a fixing member. The frame, by definition, has a longitudinal axis, and the frame forms a first sub-frame and a second sub-frame in a direction along the longitudinal axis. The fixing member is optionally provided at the frame. When the fixing member is provided at the frame and bridge the first sub-frame and the second sub-frame at the same time, the first sub-frame and the second sub-frame are fixedly connected to each other in an aligned manner.

Abstract: A cutting machine for cutting a window covering includes a machine base and a cutting device provided on the machined base. The machine base includes a sustaining face for putting the window covering thereon. The cutting device includes a frame provided on the machine base, a cutter, a movable block, a stopping block and a connecting bar. The control bar is pivoted on the frame and controllable to pivotally swing and drive the cutter to move up and down. The movable block is moved along with the cutter to drive the connecting bar to pivotally swing relative to the frame. The stopping block is adapted to abut against one end of the window covering to be cut and is further driven by the connecting bar to reciprocate along the machine base.

Abstract: A cutting machine for window coverings is disclosed, which includes a worktable, a first cutting device, and a caliper. An abutting member and at least one series of extending graduation marks are provided on a table surface of the worktable. The caliper includes at least one internal gauge point and at least one external gauge point. By making the internal gauge point or the external gauge point of the caliper point at a scale value of the series of extending graduation marks which matches a height of a window opening, and by cutting the slats, the resultant slats are adapted to be installed to the window opening. In addition, a distance between a surface of the first cutting device which bears the slats and the table surface of the worktable is short, which makes the stacked slats can be cut in a substantially horizontal way.

Abstract: A cutting machine for window coverings is disclosed, which includes a worktable, a first cutting device, and a caliper. An abutting member and at least one series of extending graduation marks are provided on a table surface of the worktable. The caliper includes at least one internal gauge point and at least one external gauge point. By making the internal gauge point or the external gauge point of the caliper point at a scale value of the series of extending graduation marks which matches a height of a window opening, and by cutting the slats, the resultant slats are adapted to be installed to the window opening. In addition, a distance between a surface of the first cutting device which bears the slats and the table surface of the worktable is short, which makes the stacked slats can be cut in a substantially horizontal way.

Abstract: A cutting machine for cutting a window covering includes a machine base and a cutting device provided on the machined base. The machine base includes a sustaining face for putting the window covering thereon. The cutting device includes a frame provided on the machine base, a cutter, a movable block, a stopping block and a connecting bar. The control bar is pivoted on the frame and controllable to pivotally swing and drive the cutter to move up and down. The movable block is moved along with the cutter to drive the connecting bar to pivotally swing relative to the frame. The stopping block is adapted to abut against one end of the window covering to be cut and is further driven by the connecting bar to reciprocate along the machine base.

Abstract: A cutting machine for window coverings is disclosed, which includes a worktable, a first cutting device, and a caliper. An abutting member and at least one series of extending graduation marks are provided on a table surface of the worktable. The caliper includes at least one internal gauge point and at least one external gauge point. By making the internal gauge point or the external gauge point of the caliper point at a scale value of the series of extending graduation marks which matches a height of a window opening, and by cutting the slats, the resultant slats are adapted to be installed to the window opening. In addition, a distance between a surface of the first cutting device which bears the slats and the table surface of the worktable is short, which makes the stacked slats can be cut in a substantially horizontal way.