Patent ID: 9275885
Filing Date: 2016-03-01
CPC Classification: F16H,H01L,Y10T

Claim Text:
1. A spiral cam apparatus, comprising: a spiral cam having a tubular shaped portion defined by an interior cavity and an exterior surface, wherein the exterior surface includes a cam contour; a linear slide assembly having a length defined along a rotational axis, the linear slide assembly defined to slide lengthwise into the interior cavity of the spiral cam, the linear slide assembly defined to allow movement of the spiral cam along the rotational axis and prevent rotation of the spiral cam relative to the linear slide assembly; and a cam roller fixed at a position proximate to the exterior surface of the spiral cam, the cam roller disposed separate from the linear slide assembly, wherein the cam roller is positioned within the cam contour of the spiral cam, the cam roller defined to engage with the cam contour to cause movement of the spiral cam along the rotational axis when the linear slide assembly and spiral cam are rotated in unison about the rotational axis relative to the cam roller.