Road structure – process – or apparatus – Apparatus – Automatic control
Patent
1993-03-25
1995-02-14
Britts, Ramon S.
Road structure, process, or apparatus
Apparatus
Automatic control
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
Eben Larry G.
Ulmer Ewald R.
Britts Ramon S.
CMI Corporation
O'Connor Pamela A.
LandOfFree
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.
Profile ID: LFUS-PAI-O-283339