A reciprocating laboratory shaker (10) includes a platform (12) driven by a motor (62) which is constrained to move in a reciprocating fashion by a pair of flexible bands (30, 32) located on opposite sides of the platform (12). A frame (24), which preferably supports the drive motor (62), includes a...http://www.google.es/patents/US6299344?utm_source=gb-gplus-sharePatente US6299344 - Flexible band reciprocating shaker
