Miner cutting bit holding apparatus

E - Fixed Constructions – 21 – C

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

262/78

E21C 25/16 (2006.01) E21C 35/193 (2006.01) E21C 35/19 (2006.01)

Patent

CA 2001681

ABSTRACT OF THE DISCLOSURE Apparatus for supporting a cutting bit having an extended shank on a rotatable cutting drum is provided. The support apparatus includes a bit holder having an upper body portion and a shank portion and a generally rectangular mounting base having rear, side and front members. The upper body of the bit holder includes a bore for receiving the cutting bit shank and upper rear abutment surfaces perpendicular to the bit axis. The shank of the bit holder has a lower rear abutment surface parallel to the bit axis and a threaded bore which extends into the shank intermediate the upper and lower abutment surfaces. The rear portion of the mounting base includes upper abutment surfaces perpendicular to the bit axis and a lower abutment surface parallel to the bit axis. A draw bolt passes through the rear portion of the mounting base and serves to draw the upper and lower abutment surfaces of the bit holder and mounting base, respectively, into engagement.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Miner cutting bit holding apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Miner cutting bit holding apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Miner cutting bit holding apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1513621

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.