| US 7,475,443 B2 | ||
| Pressure switch applicable for an inflatable body | ||
| Cheng-Chung Wang, 9F, No. 24, Songjhih Rd., Sinyi Dist., Taipei (Taiwan) | ||
| Filed on Jun. 21, 2006, as Appl. No. 11/472,460. | ||
| Claims priority of application No. 2005 1 0035450 (CN), filed on Jun. 23, 2005. | ||
| Prior Publication US 2006/0291964 A1, Dec. 28, 2006 | ||
| Int. Cl. A47C 27/08 (2006.01); H01H 35/40 (2006.01) | ||
| U.S. Cl. 5—713 [5/655.3; 200/82 R; 200/83 J] | 25 Claims |
| 1. An inflatable product comprising:
an inflatable body;
a pressure switch;
with the pressure switch comprising:
a casing with an airway adapted to communicate with an interior of the inflatable body;
a resilient element movably positioned inside the casing to define with the casing a space therebetween;
an on/off switch adapted to connect to an air pump;
a driving element movably positioned inside the casing to be in response to the movement of the resilient element so as to
selectively activate or deactivate the on/off switch to activate or deactivate the air pump; and
a recoil element positioned inside the casing so that a distal end of the recoil element is abutted against the resilient
element, wherein the recoil element is compressed/decompressed when the resilient element moves in response to pressure change
inside the inflatable body so that activation/deactivation of the on/off switch is controlled via the movement of the resilient
element as well as the compression/decompression of the recoil element.
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