Bearing removal tool
AssigneeDurbin Enterprises LLC
InventorsJeff Durbin, Michael J. Durbin
Life of this patent
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Abstract
A tool for removing a seated bearing from a bearing housing of a machine having a rotatable shaft, such as a squirrel cage blower, the bearing removal tool being easily positionable within the assemble housing aft of the bearing and including a striking surface at partially circumferential relation to the shaft for exerting a generally normal force against the bearing sufficient to overcome the frictional force between the bearing and the shaft when the tool is moved quickly and sharply along the shaft against the aft side of the bearing.
Claims18
A tool for removing a bearing disposed within a bearing housing, the bearing having an inner race surrounded by an outer race and supporting a rotatable shaft of a machine, the machine being supported within an assembly housing, including:
- a handle;
- and
- a striking element including a concave portion extending generally perpendicularly from the handle portion terminating in a striking surface;
- the striking surface having an inside dimension larger than the shaft and an outside dimension smaller than the bearing housing and including a ring section having an inside radius larger than a radius of the shaft and an outside radius smaller than a radius of the bearing housing;
- the handle configured and operable for positioning the striking element aft of the bearing within the assembly housing in at least partially circumferential relation to an axial extent of the shaft thereby aligning the ring section of the striking surface with the bearing such that quick, sharp outward movement of the tool exerts a generally normal force against at least a portion of the bearing sufficient to overcome the frictional force between the shaft and the bearing allowing the bearing to be removed from the shaft.
A tool for removing a bearing from a machine, the machine disposed within an assembly housing and including a shaft supported by a bearing disposed within a bearing housing, comprising:
- a first body portion having a first inside surface including a first concave extension centrally disposed between first handle sections;
- and
- a second body portion having a second inside surface including a second concave extension centrally disposed between second handle sections;
- the first body portion and the second body portion being joined inside the assembly housing aft of the bearing such that the first inside surface abuts the second inside surface, the first handle sections and the second handle sections align and interconnect forming handles, and the first concave extension and the second concave extension unite in a cylindrical member encircling an axial extent of the shaft and terminate in a striking surface for exerting a percussive force against the bearing when the tool is moved quickly and sharply along the shaft from within the housing aft of the bearing outwardly toward the bearing for dislodging the bearing from the shaft within the bearing housing.
A tool for removing a bearing from a machine disposed within an assembly housing and including a shaft supported by a bearing disposed within a bearing housing, comprising:
- a first body portion including a first curved member extending therefrom;
- and
- a second body portion including a second curved member extending therefrom;
- the first and second body portions being arranged on the shaft within the assembly housing and behind the bearing such that the first curved member and the second curved member encircle the shaft for axial movement thereon, and ends of the first and second curved members unite to form a striking surface for percussive engagement with the bearing when the tool is moved quickly and sharply from inside the assembly housing behind the bearing along the shaft towards the bearing;
- the first body portion and the second body portion include notches coordinating for defining apertures for receiving handles when the first body portion and the second body portion are joined.
Dependencies are inferred from the claim text.