Waste picking devices

Claim 1

IN COMBINATION, A PICKING SPUR ELEMENT ADAPTED FOR PICKING WASTE FROM SHEETS AND A MEMBER SUPPORTING THE SPUR ELEMENT, SAID SPUR ELEMENT BEING OF U SHAPE AND INCLUDING A WEB AND TWO UPRIGHT FLANGES EXTENDING ENTIRELY LENGTHWISE OF THE WEB, AT LEAST ONE OF SAID FLANGES HAVING AN UPPER END AND INCLUDING SPURS AT SAID UPPER END, SAID MEMBER WHICH SUPPORTS THE SPUR ELEMENT HAVING A CONTINUOUS GROOVE IN WHICH THE SPUR ELEMENT IS INSERTED WITH THE FLANGES ELASTICALLY ENGAGED IN THE GROOVE AND THE SPURS EXTENDING BEYOND THE GROOVE, SAID WEB RESTING OVER ITS ENTIRE EXTENT ON THE SUPPORTING MEMBER AT THE BASE OF THE GROOVEM SAID SPUR ELEMENT BEING MOVABLE LONGITUDINALLY ALONG SAID GROOVE, SAID MEMBER FURTHER HAVING A CONTINUOUS LATERAL NOTCH COEXTENSIVE WITH AND OPENING INTO THE GROOVE, SAID SPUR ELEMENT INCLUDING AN INTEGRAL LOCKING MEMBER PROJECTING OUTWARDLY FROM ONE OF SAID FLANGES AND ELASTICALLY ENGAGED IN THE SAID LATERAL NOTCH IN SAID MEMBER TO THEREBY RADIALLY SECURE THE SPUR ELEMENT IN THE GROOVE WHILE PERMITTING MOVEMENT OF THE SPUR ELEMENT LONGITUDINALLY ALONG THE GROOVE, AND MEANS ON SAID SPUR ELEMENT FOR ENGAGING THE MEMBER TO SECURE THE ELEMENT IN A PARTICULAR LONGITUDINAL POSITION ALONG THE GROOVE.