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US 5,346,024 AGranted
Tool construction
AssigneeIngersoll-Rand Company
InventorsRobert E. Geiger, John M. Clapp
Life of this patent
Estimating the term…
Abstract
A power tool construction wherein an integrated pressure fluid motor is provided with a unitary motor cylinder and back head and an external cooperative porting surface for cooperation with a valve porting surface. A further feature of the construction provides a cooperating front head plate with concentric alignment lands for attachment of the motor and a power output device such as a gear reducer.
Claims7
A motor driven power tool construction, comprising:
- a motor having unitary one piece motor cylinder and back head provided with an external circumferential planer face valve porting surface in contact with a movable planar face valve for selectively admitting motive media to said motor cylinder.
Dependencies are inferred from the claim text.