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Utility Equipment & Attachments

12 April 2012

Klac wins silver at INTERMAT 2012 with new quick hitch device

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klac klac +
The Klac Select aspect of Klac + features connectors sized to prevent too big a bucket being fitted
The combination of innovative safety features in a new quick hitch device for hydraulic excavators has earned a silver award for Klac Industrie in the INTERMAT Innovation Awards 2012.

The new Klac + quick hitch device comes in three models for machines of 8/9tonnes to 24/25tonnes. It has been designed to open up new markets for the company, which has specialised in quick coupling systems for 11 years but had previously focused on smaller machines.

Safety is a particularly important feature in the larger machines and Klac aimed to develop a simple and compact system that would maintain the breakout force and be 100% secure so that it stays locked.

Klac + brings together four key innovations: Klac Serenity, Klac Control, Klac Select and Klac Protect.

The Klac Serenity locking system is designed to prevent the loss of the attachment if the engagement system fails. The system operates mechanically rather than relying on hydraulic energy. It goes into action in case of failure of the locking force if one or both of the locking springs breaks. The locking plate is then being locked into the secured position by two safety catches.
Klac Control is an alarmed system whose sensors check the locking and safety systems. It is equipped with a buzzer and lights. Sensors enable it to detect incomplete locking, any failure in the Klac Serenity system or failure in the Klac Control system itself.

Use of Klac Select is designed to avoid the risk of human error in checking that oversized attachments are not fitted to a machine. The system only accepts accessories with a weight and capacity compatible with the carrier. The fail-safe device features connections whose geometry takes account of machine capacity to prevent too large an attachment being fitted. It features male and female parts, sized so that the connectors on buckets that are too big will be unable to fit the machine’s quick-hitch system.

The fourth element of Klac + is Klac protect, which is designed to ensure the safety of the hydraulic hose and electrical cable by keeping them retracted and covered when not needed.

Hall: 6 Stand:  F070