Adjustable Stroke Mechanism for Random Orbital Machine

摘要

An adjustable stroke mechanism for a random orbital machine including a housing having a wall enclosing a cavity, an adjuster ring surrounding the housing and having a first set of gear teeth along a first portion of an inner surface, and a second set of gear teeth along a second portion of the inner surface, a counterweight having gear teeth on an exterior surface disposed within the housing, and a bearing carriage having gear teeth disposed within the housing. At least one counterweight gear that meshes with the gear teeth of the counterweight and the first set of gear teeth of the adjuster ring, and at least one bearing carriage gear that meshes with the gear teeth of the bearing carriage and the second set of gear teeth of the adjuster ring, so that movement of the adjuster ring causes movement of both the counterweight and the bearing carriage.

主权项

1. An adjustable stroke mechanism for a random orbital machine comprising:
a housing having a circular wall enclosing a cavity, wherein the wall includes a plurality of apertures; an adjuster ring surrounding an outer surface of the wall of the housing, the adjuster ring having a first set of gear teeth along a first portion of an inner surface of the adjuster ring and a second set of gear teeth along a second portion of the inner surface of the adjuster ring; a counterweight disposed within the housing, the counterweight having an orifice formed therein and a set of gear teeth along an exterior surface thereof; at least one counterweight gear disposed between the counterweight and the adjuster ring and within one of the plurality of apertures in the wall of the housing, the at least one counterweight gear configured to mesh with the first set of gear teeth of the adjuster ring and the set of gear teeth of the counterweight so that rotation of the adjuster ring causes movement of the counterweight; a bearing carriage disposed within the housing, the bearing carriage having an orifice formed therein and a set of gear teeth along an exterior surface thereof; and at least one bearing carriage gear disposed between the bearing carriage and the adjuster ring and within another of the plurality of apertures in the wall of the housing, the at least one bearing carriage gear configured to mesh with the second set of gear teeth of the adjuster ring and the set of gear teeth of the bearing carriage so that rotation of the adjuster ring causes movement of the bearing cage.