Down-the-hole drill drive coupling

E - Fixed Constructions – 21 – B

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

E21B 10/36 (2006.01)

Patent

CA 2718669

A down-the-hole drill hammer is provided that includes a housing, a piston mounted within the housing, a drill bit mounted below the housing, and a drive coupling operatively engaged with the housing and drill bit. The drive coupling can be configured with a plurality of lugs circumferentially disposed about the drill bit and coupled with the casing for providing rotation thereof. Alternatively, the drive coupling can be configured with segmented lugs configured to circumscribe the drill bit, or as a cylindrical chuck formed out of arch-shaped chuck segments which radially assemble onto the shank of the drill bit.

La présente invention concerne un marteau de forage pour fond de trou qui comprend un logement, un piston monté à lintérieur du logement, un outil de forage monté en dessous du logement, et un accouplement de commande en prise de façon utilisable avec le logement et loutil de forage. Laccouplement de commande peut être conçu avec une pluralité de tenons disposés de façon circonférentielle sur loutil de forage et accouplés avec le logement pour en fournir la rotation. En variante, laccouplement de commande peut être conçu avec des tenons segmentés configurés pour entourer loutil de forage, ou sous forme de mandrin cylindrique formé à partir de segments de mandrin de forme arquée qui sassemblent de façon radiale sur la tige de loutil de forage.

LandOfFree

Say what you really think

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

Rating

Down-the-hole drill drive coupling does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Down-the-hole drill drive coupling, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Down-the-hole drill drive coupling will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1697336

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