Patent ID: 9404236
Filing Date: 2016-08-02
CPC Classification: E02F

Claim Text:
1. A thumb for a material handling machine having a stick, the thumb comprising: (a) a thumb frame pivotally connected to the stick; (b) a thumb link having a first end portion pivotally attached to the thumb frame and a second end portion; (c) a thumb actuator pivotally connected to the second end portion of the thumb link; and (d) a thumb control link including a first end portion pivotally attached to the stick, at a first location, a connection to at least one of the thumb link and the thumb actuator at a second location, and a stop arranged to contact a surface of the stick and limit pivoting of the thumb control link in response to retraction of the thumb actuator, the stop positioned along said thumb control link at a third location that is between the first location and the second location.