Roll or roller – Combined; e.g. – with driving gear – with vibrating means
Patent
1997-12-22
1999-09-07
Marmor, Charles A
Roll or roller
Combined; e.g., with driving gear, with vibrating means
8369851, 8369951, B25F 0502
Patent
active
059478810
ABSTRACT:
A graduated gear assembly provides for controlled movement between a stationary support surface and exterior contact surface. The assembly contains two discs are supported by a roller shaft affixed to the support surface. The first disc has a contact surface and an opposing receiving surface containing bearing retaining area. The first side of the second disc contains a recessed bearing receiving area to receive the female portion of the bearing. The opposing second side has a plurality of recessed arcs each containing a receiving area and a sphere receiving ridge. A plurality of spheres are immovably affixed to the support surface and a handle is rigidly affixed, and moves with, the discs, which rotate as a single unit. The unit is rotated to a first position wherein the spheres are within the recessed arcs and a second position wherein the spheres are within the sphere receiving areas. Rotation of the disc unit to the second position moves the unit in a direction distal to said support surface and rotation to the first position moves the unit proximal to the support surface. A locking mechanism is secured to the support frame used to stabilize the shaft's unsecured end. The locking mechanism has a support bar is hingeably affixed to the support frame. A handle is adjacent the second end of the support bar. A plug is dimensioned to fit within the open end of the roller shaft and is used to lock the bar in place.
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patent: 5392676 (1995-02-01), Drury
Kwon Peter T.
Marmor Charles A
Parker Sheldon H.
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