Patent ID: 6247880
Filing Date: 2001-06-19
Classification: B23Q,Y10S,Y10T

Abstract:
A point of operation guard for use on a milling machine having a ram on which the head of the milling machine is mounted, said ram being attached to the column of the milling machine by means of a dovetail slide, said dovetail slide having mortise portion that is attached to said column and a tenon portion that is attached to said ram, said point of operation guard comprising:a mounting bracket having a mortise therein, which mortise is slidably mountable on said tenon portion, said mounting bracket having a first vertical unthreaded hole and a first horizontal hole adjacent first end, a second vertical unthreaded hole and a second horizontal hole adjacent said second end and a first vertical threaded hole below said mortise, said mounting bracket being held in position by a first vertical thumbscrew that is screwed into said first vertical threaded hole and that impinges on said tenon;a first arm having a first horizontal portion and a first vertical portion that is rotatably attached to said mounting bracket adjacent said first end thereof said first vertical portion extending through said first vertical unthreaded hole and being held in a first operator-selected position by a first horizontal thumb screw that is screwed into a first threaded portion of said first horizontal hole and that impinges on said first vertical portion;a first deflector having first tubular portion and a first guard portion attached to said first tubular portion, said first deflector being attached to said first arm by said first horizontal portion extending through said first tubular portion;a second arm having a second horizontal portion and a second vertical portion that is rotatably attached to said mounting bracket adjacent said second end thereof, said second vertical portion extending through said second vertical unthreaded hole and being held in a second operator-selected position by a second horizontal thumb screw that is screwed into a second threaded portion of said second horizontal hole and that impinges on said second vertical portion; anda second deflector having a second tubular portion and a second guard portion attached to said second tubular portion, said second deflector being attached to said second arm by said second horizontal portion extending through said second tubular portion.