Puncture-resistant mat for pressure-actuated switches
First Claim
Patent Images
1. A protective mat comprising:
- a fluid-tight first chamber;
having at least a top wall and a bottom wall;
a fluid-tight second chamber having a top layer and a bottom layer, said second chamber disposed proximate said first chamber and having a common wall therewith;
a flexible, protective layer disposed within said first chamber;
a pressure-actuated device disposed outside said first and second chambers which generates a signal in response to a force applied to said second chamber; and
a conduit connecting said second chamber with said pressure-actuated device, and wherein said protective layer is puncture-resistant such that said protective layer is not punctured upon impact by a dart weighing about 21/4 pounds, with a point having a diameter of about 0.10 inches dropped from a still position approximately 3 feet above said protective layer.
0 Assignments
0 Petitions
Accused Products
Abstract
A protective mat for use with pressure-actuated switching devices having a moisture-resistant, isolated switching chamber protected by a puncture-resistant, protective layer which disperses forces applied to the mat.
40 Citations
20 Claims
-
1. A protective mat comprising:
-
a fluid-tight first chamber;
having at least a top wall and a bottom wall;a fluid-tight second chamber having a top layer and a bottom layer, said second chamber disposed proximate said first chamber and having a common wall therewith; a flexible, protective layer disposed within said first chamber; a pressure-actuated device disposed outside said first and second chambers which generates a signal in response to a force applied to said second chamber; and a conduit connecting said second chamber with said pressure-actuated device, and wherein said protective layer is puncture-resistant such that said protective layer is not punctured upon impact by a dart weighing about 21/4 pounds, with a point having a diameter of about 0.10 inches dropped from a still position approximately 3 feet above said protective layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A protective mat comprising:
-
a fluid-tight switching chamber having at least a top wall and a bottom wall; a pressure-actuated switching device disposed at least partially within said switching chamber; a protective layer disposed proximate said switching chamber, and covering and protecting at least a portion of said pressure-actuated switching device from impact, wherein said protective layer is puncture-resistant such that said protective layer is not punctured upon impact by a dart weighing about 21/4 pounds, with a point having a diameter of about 0.10 inches dropped from a still position approximately 3 feet above said protective layer. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeTapeswitch Corporation of America
-
Original AssigneeTapeswitch Corporation of America
-
InventorsRussell, Robert E., Polistina, Thomas, O'Meara, John Jr., Duhon, Edward W.
-
Primary Examiner(s)Tolin, Gerald P.
-
Application NumberUS07/581,799Time in Patent Office712 DaysField of Search340/665, 340/666, 307/118, 361/188, 73/146, 174/117 A, 338/114, 200/85 R, 200/86 R, 200/86.5, 200/81 H, 200/83 Z, 200/302.1 X, 200/306, 200/279, 200/294, 200/333, 200/5 A X, 200/512, 200/515 X, 200/517US Class Current200/86.00RCPC Class CodesH01H 2003/147 Special aspects regarding t...H01H 3/141 Cushion or mat switchesH01H 3/24 using pneumatic or hydrauli...
