Pneumatic motor for a pneumatic tool
AssigneeAirboss Air Tool Co., Ltd.
InventorHsin-He Chang
Life of this patent
Estimating the term…
Abstract
A pneumatic motor has a housing, an axle, and multiple blades. The axle is rotatably mounted in the housing and has multiple blade recesses. The blades are mounted respectively and moveably in the blade recesses. Each blade has an inner side edge. The inner side edge is mounted in a corresponding one of the blade recesses. The inner side edge of each one of at least half of the multiple blades has a straight segment and a rectangular tab. Each one of the blade recesses which holds the blade having the straight segment and the rectangular tab has a bottom having a straight segment and a tab hole.
Claims13
A pneumatic motor comprising:
- a housing having an inlet and an outlet;
- an axle rotatably mounted in the housing and having multiple blade recesses radially defined in the axle;
- multiple blades mounted respectively and moveably in the blade recesses in the axle, and each blade having
- an inner side edge mounted in a corresponding one of the blade recesses;
- and
- an outer side edge being opposite the inner side edge and extending out of the corresponding blade recess, wherein
- the inner side edge of each one of at least half of the multiple blades has
- a straight segment formed on the inner side edge;
- and
- a rectangular tab formed on and protruding from a middle of the straight segment;
- each one of the blade recesses which holds the blade having the straight segment and the rectangular tab has a bottom having
- a straight segment corresponding to the straight segment of a corresponding one of the blades in position and shape;
- and
- a tab hole having a rectangular cross section, defined in a middle of the straight segment of the bottom of the blade recess, and selectively holding the rectangular tab on the corresponding blade inside.
Dependencies are inferred from the claim text.