Whistle
First Claim
Patent Images
1. A pealess whistle comprising:
- a neck portion having a longitudinal axis and first and second longitudinal ends, said neck portion having a first part extending from said second longitudinal end along at least a portion of the length of said neck portion;
a mouthpiece defined at said first longitudinal end of said neck portion;
at least one curved depending wall, said wall extending from said first part of said neck portion on one side of said longitudinal axis of said neck portion;
at least three whistle chamber elements extending side by side in a common plane along at least a portion of the length of said neck portion from a mouthpiece opening of each said chamber element adjacent said first longitudinal end of said neck portion toward said second longitudinal end; and
exhaust port means defined through a surface of said neck portion between said first and second longitudinal ends and on a second side of said longitudinal axis of said neck portion opposite to said one side, for exhausting air blown into the mouthpiece,whereby said neck portion and said said at least one wall together define a generally mandolin shape.
1 Assignment
0 Petitions
Accused Products
Abstract
A referees sports whistle of mandolin shape is provided which has three rectangular whistle chamber elements of the same order of length contained within the mandolin shape of the whistle and arranged side-by-side in a common plane. An exhaust port is provided on the top surface of the whistle to exhaust air, blown into the whistle chamber elements, entirely through the top of the whistle. The whistle is manufactured from two separately moulded parts comprising a first top cover portion including the exhaust port and a second part comprising a main body part including a bulbous portion to be gripped at the sides thereof by the user.
-
Citations
15 Claims
-
1. A pealess whistle comprising:
-
a neck portion having a longitudinal axis and first and second longitudinal ends, said neck portion having a first part extending from said second longitudinal end along at least a portion of the length of said neck portion; a mouthpiece defined at said first longitudinal end of said neck portion; at least one curved depending wall, said wall extending from said first part of said neck portion on one side of said longitudinal axis of said neck portion; at least three whistle chamber elements extending side by side in a common plane along at least a portion of the length of said neck portion from a mouthpiece opening of each said chamber element adjacent said first longitudinal end of said neck portion toward said second longitudinal end; and exhaust port means defined through a surface of said neck portion between said first and second longitudinal ends and on a second side of said longitudinal axis of said neck portion opposite to said one side, for exhausting air blown into the mouthpiece, whereby said neck portion and said said at least one wall together define a generally mandolin shape. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
Specification