Coating implements with material supply – With means to attach or conform to body of user
Reexamination Certificate
1998-09-29
2001-03-20
Walczak, David J. (Department: 3751)
Coating implements with material supply
With means to attach or conform to body of user
C410S048000
Reexamination Certificate
active
06203225
ABSTRACT:
BACKGROUND OF THE INVENTION
1. The Field of the Invention
This invention relates to a writing implement with an improved grip that is ergonomic and provides comfort to the user.
2. Description of Related Art
A wide variety of patents dealing with writing implements and user comfort have been issued. Most have to do with accessories that are attached to writing implements and that function essentially as grip enhancers. Examples of such devices are disclosed in U.S. Pat. Nos. 5,143,463; 5,468,083; 5,558,452; and 4,932,800. They are basically directed toward improving the user's grasp of the writing implement, thus also increasing the user's comfort. Some, such as U.S. Pat. No. 4,617,697, are intended to mold the accessory to the user's hand. This feature (of conforming to the user's hand) has also been patented as an integral part of the writing implement itself (rather than as an external accessory). An example of such a device is disclosed in U.S. Pat. No. 5,000,599.
While various types of grip enhancers and grip-enhanced writing implements are known in the art, there remains a need for a writing implement that is more ergonomic. Furthermore, this goal is best accomplished with features that are a part ot the writing implement, i.e. it is more efficient to provide to the user a writing implement that contains everything that one needs (versus an accessory to attach to an implement). In addition, while there are patents that mold to the user's hand, there remains a need for a writing implement that immediately fits the hand of a variety of users and gives each immediate comfort and ease of use.
The present invention, inter alia, is directed toward overcoming the abovementioned shortcomings and meeting the above-mentioned goals.
SUMMARY OF THE INVENTION
The present invention features a better writing implement with an improved grip that provides a cushioning effect and preferably includes an elastomer formed in a round-to triangular-to round configuration. A grip according to the present invention includes an air gap so that it is more ergonomic and comfortable to the user.
This invention in one embodiment includes a writing implement comprising a barrel and a compressible grip disposed over the barrel. The grip can be of any shape, and preferably is an hourglass shape and has an outer surface that includes at least two, and preferably three recessed portions. Each recessed portion creates a concave depression that runs along a major portion of the length of the grip, and each recessed portion has a plurality of ribs. The cross-section of the grip generally is round at both ends, and triangular in at least some portion such that the cross-section of the grip runs from round to triangular to round about the length of the grip.
In accordance with another embodiment of the invention, the writing implement also has an air gap formed between the inner diameter of the grip and the outer diameter of the barrel. This results in a cushioning effect such that it provides comfort to a user as he/she is writing with the implement.
According to another embodiment of the present invention, there is provided a grip that has a compressible sleeve. This sleeve has at least two recessed portions, and each recessed portion creates a concave depression that runs along a major portion of the grip. Each recessed portion also has a plurality of ribs.
Further objects, features and advantages of the invention will become apparent hence the detailed description that follows.
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Baudino Rodney J.
Larson Brian F.
Foley & Lardner
Sanford, L. P.
Walczak David J.
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