Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Reexamination Certificate
2011-05-31
2011-05-31
Benson, Walter (Department: 2837)
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
C318S001000, C318S003000, C318S558000, C700S231000, C700S241000, C700S275000
Reexamination Certificate
active
07952315
ABSTRACT:
The system includes a plurality of vertically spaced medication trays with a base assembly and a motor, responsive to computer commands, mounted on the base assembly. A drive shaft case member extends vertically from the base assembly. A cam assembly includes a plurality of spaced cam members, each cam member having concave portions and lobe portions on a peripheral surface thereof. A first drive clutch selectively engages the motor with both the drive shaft case member and the cam assembly for rotation of both in one direction, while a second drive clutch selectively engages the motor with just the cam assembly for rotation thereof in an opposing direction. The drive shaft case member has a cam follower assembly associated with each cam member, wherein one portion of the cam follower assembly engages the cam element and another portion engages an associated tray when the cam follower engages a selected concave portion on the cam element associated with the tray.
REFERENCES:
patent: 5432412 (1995-07-01), Harris et al.
patent: 6098732 (2000-08-01), Romick et al.
patent: 6219587 (2001-04-01), Ahlin et al.
patent: 7689318 (2010-03-01), Draper
patent: 7747347 (2010-06-01), Park, IV
Benson Walter
Dinh Thai
Marsh & Fischmann & Breyfogle LLP
Sabal Medical, Inc.
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