Abstract: A handle holder for mounting a U-shaped handle to an operating pole of a bush cutting machine. The handle holder has a first holding member and a second holding member. The first holding member has an operating pole insertion hole for insertion of the operating pole therethrough, an oblique groove, and a handle receiving groove for receiving the base of the handle. The second holding member has a wedge and a handle retaining groove. The wedge is fitted into the groove of the first holding member to fix the first holding member to the operating pole. The handle is interposed and held between the handle receiving groove of the first holding member and the handle retaining groove of the second holding member to be fixed to the first holding member.

Abstract: A gasket for sealing interfaces between a micro-machined device and a macroscopic connection to the device. The gasket can include an o-ring, a frame, a tool post and a notch. Alignment of the tool post with a dimple formed in or through a surface of a component adjacent to the gasket facilitates alignment of the gasket. The notch and frame can also facilitate alignment of the gasket.