Ski exercise machine
United States Patent D375767

Camfield, David K. (Olney, IL)
Metcalf, Jeffrey D. (Albion, IL)
Application Number:
Publication Date:
Filing Date:
Roadmaster Corporation (Olney, IL)
Primary Class:
Field of Search:
D21/191, D21/192, D21/193, D21/194, D21/195, 482/51, 482/70, 482/52, 482/53, 482/54, 482/71
View Patent Images:
US Patent References:
5338273Quick change mechanism for synchronous/asynchronous exercise machineAugust, 1994Metcalf et al.
5226866Trimodal exercise apparatusJuly, 1993Engel482/52
5181894Ski-practicing deviceJanuary, 1993Shieng
5145481Ski exercise machineSeptember, 1992Friedebach
5108093Multipurpose exerciserApril, 1992Watterson482/70
5064190Cross-country skiing and exercising machineNovember, 1991Holt482/70
5000442Cross country ski exerciserMarch, 1991Dalebout et al.482/70
4979731Exercise machine and methodDecember, 1990Hermelin482/70
4960276Cross country ski exercise apparatusOctober, 1990Feuer et al.
4948121Exercise machineAugust, 1990Haaheim et al.482/70
4867443Cross-country skiing simulatorSeptember, 1989Jensen482/70
4826152Fastening device for handle support of skiingMay, 1989Lo482/70
4813667Multipurpose exerciserMarch, 1989Watterson482/70
4804178Cross-country ski exercise deviceFebruary, 1989Friedebach482/70
4743015Exercise device simulating cross country skiingMay, 1988Marshall
4728102Resistance indicator for frictionally resistant exercise deviceMarch, 1988Pauls
4709918Universal exercising apparatusDecember, 1987Grinblat482/70
4679786Universal exercise machineJuly, 1987Rodgers482/71
4659077Exercise deviceApril, 1987Stropkay482/70
4645201Exercise machineFebruary, 1987Evans482/71
4618139Exercise machineOctober, 1986Haaheim482/71
4529194Cardiovascular exercise machineJuly, 1985Haaheim482/71
4512571Force opposition type exerciserApril, 1985Hermelin482/70
4434981Cross country skiing simulating exerciserMarch, 1984Norton482/70
4023795Cross-country ski exerciserMay, 1977Pauls482/70
1982843Health gliderDecember, 1934Traver

Other References:
Service Merchandise Catalog, 1993, p. 530, Vitamaster North Trails Ski Machine.
Primary Examiner:
Hyder, Philip S.
Attorney, Agent or Firm:
Brinks Hofer Gilson & Lione
1. The ornamental design for a ski exercise machine, as shown.


FIG. 1 is a right, front perspective view of a ski exercise machine showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.