Patent ID: 7497145

Claim:
A cam follower arrangement comprising: a rectangular-shaped through hole formed in an end portion of a ram member, the through hole having first and second opposed ends and a pair of parallel sides; a slider disposed in the rectangular-shaped through hole and configured to be slidable back and forth along the parallel sides toward and away the first and second ends; and a spring disposed between the slider and the first end of the rectangular-shaped through hole to bias the slider toward the second end of the rectangular-shaped through hole, wherein the rectangular-shaped through hole has a stepped cross section and wherein the slider comprises first and second halves, the first half being configured to have a stepped cross-section which compliments the cross-section of the through hole, the second half being configured to engage a first flat major surface formed about the mouth of the through hole and to slide there along as the slider moves back and forth between the first and second ends.