Grip heater apparatus for construction machine
US10329736B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2016 |
| Grant date | Jun 25, 2019 |
| Priority date | — |
| Expiry date | Feb 23, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05G25/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided is a grip heater apparatus for a construction machine that can improve operability by heating the grip portions of left and right operating levers and maintaining a favorable operating environment for the left and right operating levers when work is carried out in a cold region and the operator's hands get cold. The grip heater apparatus includes: left and right grip heaters 31 and 32 provided in grip portions of left and right operation levers 26 and 28, respectively; a battery supplying electric power to the left and right grip heaters; a heater switch 34 for instructing the left and right grip heaters to be turned on or off; and a control device supplying the electric power from the battery to the left and right grip heaters only when the engine is running, the gate lock lever 27 is at a getting-on/off prevention position, and the heater switch instructs the left and right grip heaters to be turned on.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.