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Quick-Fit Trailer Coupling For A GraderRipper attachment on grading tractor adapted to lift tongue of trailer tow bar hydraulically. Unnecessary for tractor operator to use jack or fork, lift to raise tongue. Enables tractor operator, acting alone, to hitch trailer to tractor, without expense and complication of dedicated hydraulic lifting mechanism for trailer hitch.
Document ID
19920000103
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Soper, Terry A. (Lockheed Engineering and Sciences Co.)
Moulton, Calvin T. (Lockheed Engineering and Sciences Co.)
Date Acquired
August 15, 2013
Publication Date
February 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 2
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MSC-21773
Accession Number
92B10103
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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