Raiseable pan drag apparatus

Road structure – process – or apparatus – Apparatus – Automatic control

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

404119, 404118, E01C 1948

Patent

active

053889274

ABSTRACT:
A pan drag device is disclosed for attachment to a concrete finishing machine movable longitudinally along an elongated body of poured concrete, with the finishing machine having a finishing unit engageable with the surface of the poured concrete and movable transversely across the body of concrete to grade the concrete. The pan drag device includes support members mounted to and extending rearwardly from the finishing unit and movable with the finishing unit and pan drag apparatus mounted to the support members for engaging the graded concrete surface to finish and seal the concrete surface. The pan drag device further includes a hydraulically actuated piston and cylinder member for raising and lowering the pan drag apparatus with respect to the concrete surface and apparatus for controlling the hydraulically actuated piston and cylinder member for raising and lowering the pan drag apparatus between an upward raised position to a downward engaging position to permit the pan drag apparatus to engage the graded concrete surface to seal and finish the concrete surface.

REFERENCES:
patent: 3936209 (1976-02-01), Krage
patent: 3992124 (1976-11-01), Schrader
patent: 4433936 (1984-02-01), Moser
patent: 4702642 (1987-10-01), Musil

LandOfFree

Say what you really think

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

Rating

Raiseable pan drag 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 Raiseable pan drag apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Raiseable pan drag apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-283339

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