Clap skate

Details Clap skate Clap skate

1998-10-05

2001-02-27

Mar, Michael (Department: 3619)

Land vehicles

Skates

Wheeled skate

C280S011120, C280S011300, C280S011270

Reexamination Certificate

active

06193243

ABSTRACT:

FIELD OF THE INVENTION
The invention relates to skates of the type, with which the skater's foot may tilt forwardly relative to the skate frame while the latter is holding contact with the “ice” surface, and with which the skate frame returns to its normal or starting position relative to the skater's foot as soon as it is taken off the (ice) surface. The term “clap skate” is meant to cover both ice skates and inline roller skates (also called “skeelers”). Both of this clap skate versions are known. Especially the ice skate version has become very popular.
BACKGROUND OF THE INVENTION
In the type of skate to which the invention relates, the skate frame has a forefoot support and a heel support. The forefoot support is pivotally connected to the frame about a transverse pivot pin. A forward tilting movement of the skater's foot relative to the skate frame, while the latter is in contact with the (ice) surface, is taking place against the action of a spring means. Thus said spring means tends to force the skate frame to return to its normal position relative to the skater's foot (i.e. with the heel of the foot resting on the fixed heel support) as soon as the skate frame is taken off the (ice) surface at the end of the skater's push.
Thus the pivot connection between the frame and the forefoot support allows the skater's foot to turn away from the skate frame and thereby stretch completely during the skater's push being applied onto the (ice) surface. As a result of this the skater's push is optimalized.
The reinstatement of the contact between the fixed heel support and the heel at the end of the return movement is accompanied by a blow or “clap”.
Depending on the angle, through which the skate frame has turned away during the push phase, the returning movement will take place with more or less force and consequently with a more or less powerful clap.
OBJECT AND SUMMARY OF THE INVENTION
It is a principle object of the invention to provide an effective and reliable spring means for effecting the return movement of the skate frame. A further object of the invention is to provide a compact spring means which is adapted to be mounted at a location where it is effectively guarded against access from the outside.
Further objects and advantages of the invention will be hereinafter further explained by way of example with reference to the accompanying drawing.


REFERENCES:
patent: 829900 (1906-08-01), Shelmire
patent: 940108 (1909-11-01), Yates
patent: 5503413 (1996-04-01), Belogour
patent: 5704621 (1998-01-01), Lazarevich et al.
patent: 5961131 (1999-10-01), Hilgarth
patent: 6007075 (1999-12-01), Shum
patent: 0 381 092 B1 (1993-04-01), None
patent: 0 559 179 A1 (1993-09-01), None
patent: 0 778 058 A2 (1996-11-01), None
patent: WO 97/18019 (1997-05-01), None

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