External hoist for a helicopter

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Description

FIG. 1 is a perspective view of my new external hoist for a helicopter;

FIG. 2 is a side view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
3904156 September 1975 Smith
4695012 September 22, 1987 Lindenbaum
4984757 January 15, 1991 Hartung et al.
5169197 December 8, 1992 Underbakke et al.
Patent History
Patent number: D343824
Type: Grant
Filed: Dec 29, 1992
Date of Patent: Feb 1, 1994
Assignee: Aeronautical Accessories, Inc. (Bristol, TN)
Inventor: Dennis Halwes (Arlington, TX)
Primary Examiner: Kay H. Chin
Law Firm: Jones & Askew
Application Number: 0/3,125