Portable lifting unit
Description
FIG. 1 is a perspective view of the portable lifting unit to show our new design;
FIG. 2 is a front elevational view of the portable lifting unit depicted in FIG. 1;
FIG. 3 is a bottom view of the portable lifting unit depicted in FIG. 1;
FIG. 4 is a right side elevational view of the portable lifting unit of FIG. 1, the left side elevational view being a mirror image thereof;
FIG. 5 is a back elevational view of the portable lifting unit depicted in FIG. 1 ; and,
FIG. 6 is a top view of the portable lifting unit depicted in FIG. 1.
The hanging lifting bar is shown broken away in FIG. 3 and 6 for convenience of illustration.
Referenced Cited
U.S. Patent Documents
Other references
D241839 | October 1976 | Kammeraad |
D285378 | August 26, 1986 | Norell |
D341242 | November 9, 1993 | Thorby |
D349996 | August 23, 1994 | Litwiller |
1961119 | May 1934 | Ettinger |
2846091 | August 1958 | Heffner |
3952893 | April 27, 1976 | Kolesar |
4484366 | November 27, 1984 | Koontz |
4761842 | August 9, 1988 | Weiner |
5431526 | July 11, 1995 | Peterson et al. |
5445487 | August 29, 1995 | Koscinski, Jr. |
- Air Technical Industries, Apr. 1993, p. 4, "Foldable Cranes". Rental Tools & Equipment, 1984, p. 51, 1500 lb Knock-Down Crane.
Patent History
Patent number: D376885
Type: Grant
Filed: Apr 7, 1995
Date of Patent: Dec 24, 1996
Inventors: James E. Carey (Prescott, AZ), Jesse Lackey (Laguna Hills, CA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Cynthia F. Ramirez
Attorneys: Harry M. Weiss, Jeffrey D. Harry M. Weiss & Associates, P.C. Moy
Application Number: 0/37,235
Type: Grant
Filed: Apr 7, 1995
Date of Patent: Dec 24, 1996
Inventors: James E. Carey (Prescott, AZ), Jesse Lackey (Laguna Hills, CA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Cynthia F. Ramirez
Attorneys: Harry M. Weiss, Jeffrey D. Harry M. Weiss & Associates, P.C. Moy
Application Number: 0/37,235
Classifications
Current U.S. Class:
Conveying, Lifting, Or Transferring Article (D34/28)