Patent ID: 9248495
Filing Date: 2016-02-02
CPC Classification: B22D,E04G

Claim Text:
1. A platform for use in a machine having first and second members movable relative to each other, the platform comprising: a base including a first end portion, a second end portion, and a recessed center portion, the recessed center portion located between the first end portion and the second end portion and defining an upward facing opening; a stationary first plate positioned on the first end portion; a movable second plate configured for rotational movement relative to the first plate between a retracted position and an extended position; and a sensor positioned on at least one of the base and the first plate, the sensor being configured to provide outputs indicative of a position of the second plate, the second plate being folded over the first plate in the retracted position such that the upward facing opening is not covered, and the second plate substantially covering the upward facing opening in the extended position such that a walkway over the upward facing opening is formed.