been consumed so far for such twenty-four (24) hour
DIET MANAGEMENT DEVICE period, and the types and quantities of foods which can
still be consumed. On the inside of the cover for the
This application is a continuation of application Ser. Sharp, et al. device are listings of foods in each food
No. 565,585, filed 12-27-83, now abandoned. 5 group and a column which specifies the number of
„ . ^ ^TTT, „T, ,T,.TrT,T„iI exchanges for each group for certain calorie intake
BACKGROUND OF THE INVENTION limits 6 6 y
1. Field of the Invention While the Sharp, et al. device provides for systematic The disclosed invention generally relates to diet man- monitoring of exchange limits and exchanges con
agement, and is more particularly directed to a diet 10 sumed, it is still awkward and cumbersome to use on a
management device for determining the amount of food daily basis. Moreover, it appears to be bulky and not
intake necessary to achieve a balanced diet for a given readily carried by the user.
daily calorie limit, and for monitoring food intake. The prior art also includes devices for keeping track
2. Description of the Background Art of numerical indicia such as game scores and trip mileIt is generally recognized that a balanced diet in- 15 age. For example, U.S. Pat. No. 3,584,597 discloses a
eludes several food groups, and a well-known diet man- device for scoring segments of a golf game and includes agement system generally called the "exchange diet" movable score indicating members which are moved to divides food into six groups or "exchanges." The ex- display the appropriate scores. U.S. Pat. No. 3,763,820 change diet, originally developed for diabetics and now discloses a key chain tag which includes finger adjustused by anyone wishing to control or lose weight, is 20 able members for positioning numbers within a pair of more specifically discussed in the booklet entitled "Ex- viewing windows. Such numbers are intended to indichange List For Meal Planning," prepared by the cate start and finish mileages for a motor trip. ObviAmerican Diabetes Association, Inc. and the American ously, neither of the two foregoing devices directly Dietetic Association. In the terminology of the ex- pertain to diet management, change diet, those food groups are typically called 25 bread exchanges, meat exchanges, fat exchanges, fruit exchanges, milk exchanges, and vegetable exchanges, An object of the invention is to provide a diet manthereby referring to specific food groups. The "ex- agement device which identifies for predetermined food change" is a unit of food which may be different for groups and for a predetermined daily calorie intake the each food group. However, within a particular food 30 respective maximum allowable amounts of food which group each exchange is approximately equal in calories can be consumed.
and in the amount of carbohydrate, protein and fat. Another object of the invention is to provide a diet
Also, each exchange within each group contains similar management device which is easily and readily adapted
minerals and vitamins. For each food group, an "ex- to provide daily maximum food intake information for
change list" is provided which sets forth the amount of 35 different predetermined daily calorie intakes and for
a specific food that constitutes an exchange. For exam- different predetermined food groups,
pie, in the above-identified booklet, a small apple is one Still another object of the invention is to provide a
fruit exchange, as is one-fourth of a cantaloupe melon. diet management device which indicates for predeter
The exchange diet further specifies the number of mined food groups and for a predetermined daily caloexchanges for each food group for a specified daily 40 rie intake the respective amounts of food which can still caloric intake. For example, for a daily two thousand be consumed during a particular day. (2,000) calorie intake, a person is allowed nine (9) bread A further object of the invention is to provide a diet exchanges, nine (9) meat exchanges, four (4) fat ex- management device for keeping track for predeterchanges, six (6) fruit exchanges, three (3) milk ex- mined food groups respective amounts of food conchanges, and two (2) vegetable exchanges. 45 sumed in the course of a day.
A person utilizing the exchange diet system for a A further object of the invention is to provide a diet
predetermined daily calorie intake would have to (i) management device which is easy to use and does not
determine the number of exchanges allowed for each require complex tables.
food group, (ii) keep track of the number of exchanges Another object of the invention is to provide a diet
consumed in each food group, and (iii) keep track of the 50 management device which is compact, readily carried
number of exchanges remaining in each food group. by the user, and easy to use.
Typically, such information would have to be pro- Still another object of the invention is to provide a
cessed and maintained by memory, by notes, or by pre- diet management device which on a daily basis for a
determined menus. Obviously, these procedures are predetermined calorie intake securely and accurately
cumbersome and prone to error. 55 maintains for predetermined food groups respective
A mechanized exchange diet management system is information regarding amounts of food which can be
disclosed in U.S. Pat. No. 3,841,260, issued to Sharp, et consumed and amounts of food which can still be con
al. on Oct. 15, 1974. The Sharp, et al. system includes a sumed.
sheet member with an array of holes aligned in columns The foregoing and other objects of the invention are and rows. Separate groups of contiguous columns are 60 achieved in a diet management device which includes a respectively color coded to represent the six different storage element for representing relative to a predeterfood groups. Color coded pegs, each apparently repre- mined calorie intake the allowable amounts of food senting one exchange for the food group identified by which can be consumed for predetermined food groups, the color of the peg, are inserted into the holes of the Indicators cooperate with the storage element to indisheet member at appropriate locations. The locations of 65 cate for the predetermined food groups the respective the color coded pegs identify the types and quantities of maximum amounts allowable, and also to indicate the foods which may be served in a twenty-four (24) hour respective amounts of food which can still be conperiod, the types and quantities of foods which have sumed.