Amusement devices – Swing – Motor operated
Reexamination Certificate
2005-04-05
2005-04-05
Nguyen, K. T. (Department: 3714)
Amusement devices
Swing
Motor operated
Reexamination Certificate
active
06875117
ABSTRACT:
A swing drive mechanism for a swing having a swing seat, at least one hanger arm supporting the swing seat, and a pivot shaft providing reciprocal motion to the swing seat via the at least one hanger arm is described. The drive mechanism may include a gear, an eccentric element coupled to the gear and a motor mechanism configured to drive the gear. The drive mechanism may also include a substantially elongated drive link having a proximal end and a distal end, the proximal end coupled to the gear via the eccentric element, and a spring coupled to, and configured to being driven by, the distal end of the drive link. The spring being configured to directly drive the pivot shaft in a reciprocal fashion. A swing drive assembly including a blade and pivot shaft is also described.
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Photographs of Kolcraft Perfect Height Swing® (5 photographs), date undetermined.
Dillner James Michael
Ransil Matthew J.
Stauffer Dennis R.
Foley & Lardner LLP
Graco Children's Products Inc.
Nguyen K. T.
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