Foot construction for portable electric space heaters
US4394563A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1981 |
| Grant date | Jul 19, 1983 |
| Priority date | — |
| Expiry date | Jun 8, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/08
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An electric space heater having a pair of feet which are initially detached from the heater body to permit shipping in a small carton. The heater body has downwardly projecting fingers which are resilient in order to snap into receptacles of the feet when the feet are applied to the heater body for permanent attachment thereto. Curved ribs project downwardly between the opposing sets of fingers and act to upset the heater if an attempt is made to operate it without the feet attached. A tilt switch deactivates the heater when it is upset. When the feet are attached to the heater body, the ribs fit in sockets of the feet to permit normal heater operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.