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Roads and winter

Kerb grab

On the left, the grab presents the kerbstone along the string line and sets it down without releasing it. On the right, laid by hand, the kerbstones end up crooked along the string line. Computer-generated image.
Left: the grab presents the kerbstone along the string line and sets it down without releasing it. Right: laid by hand, the kerbstones end up crooked along the string line. Computer-generated image.

Gripping, lifting and positioning a kerbstone from the machine.
One model recorded is given for excavators from 5 to 16 tonnes, with rotation through 360°.

Other names for this tool: kerb handling grab, kerbstone grab, kerb-laying grab, laying grab, block grab, rotating handling grab.

The essentials
Family
Roads and winter
Classes (t)
5 to 16 t
Coupler
We calculate it with you for your machine
Power source
Hydraulic — flow and pressure: we calculate it with you for your machine
Indicative rotation
360°

The lifting rules →

01 Use

What it is for

On the left, the grab presents the kerbstone along the string line and sets it down without releasing it. On the right, laid by hand, the kerbstones end up crooked along the string line. Computer-generated image.
the grab presents the kerbstone along the string line and sets it down without releasing it laid by hand, the kerbstones end up crooked along the string line
Left: the grab presents the kerbstone along the string line and sets it down without releasing it.
Right: laid by hand, the kerbstones end up crooked along the string line.
What sets it apart:
it is first of all an occupational health tool — the time saved comes afterwards.
Computer-generated image.

Two jaws squeeze the kerbstone on its faces.
The machine lifts it, presents it to the millimetre along the line, and lays it.
The rotation makes it possible to turn it over or to orient it without letting go.

A concrete kerbstone weighs several dozen kilos and is laid by the hundred metres.
Without a tool, it is work for two or three people, bent over, at ground level, all day long.

It is first of all an occupational health tool. Laying kerbs by hand is a recognised cause of musculoskeletal disorders and of crushing injuries to hands and feet.
On a public contract, that argument often counts as much as the output — and it can be defended in a technical statement.

Why the rotation changes everything

A kerbstone has a right way round:
a visible face, a chamfer, sometimes a curve.
Without rotation, it has to be set down and picked up again to turn it over — so put down, handled by hand, gripped again.

With rotation, the operator presents it directly the right way round.
That is what does away with the manual handling, and so with most of the risk.

A tool for linear work

It is justified over distance:
kerbs, channels, car park kerbs, precast low walls.
Over ten metres, it does not pay for itself; on a housing estate or a road refurbishment, it changes the make-up of the gang.

See the whole Roads and winter family →

02 What we check with you

On which machine?

A kerb grab fits an excavator from 5 to 16 t.
The coupler and the lifting conditions of the excavator: we calculate them with you for your machine.

What the tool does

It grips kerbs, for road works.
It swivels through 360°.
Its maximum load, its gripping range and its weight: we calculate them with you for your machine.

What is needed on the hydraulic side

It connects to the excavator's hydraulics.
The flow and pressure: we calculate them with you for your machine.

Figures taken from our models on the market.
Your study sets the exact value for your machine.

Don't have these figures?
A photo of the machine is enough to start.

03 Your study

Have your machine checked.

Give us your excavator model, the dimensions and weight of the kerbstones, and the length to be laid.
If the job is a public contract, say so:
the prevention argument can be documented.

What we need to answer you
  • Your machine Its make and its tonnage.
  • The auxiliary circuit Its flow in l/min, its pressure in bar, single- or double-acting.
  • The coupler in place Its system and its class.
  • The work The use, and the material.

Without these details, the study still begins: we will ask you for them.

Send my photos

or describe your need

Book an appointment with the specialist

Or call 01 84 16 55 49 · our lines are open 7 days a week, from 7h to 22h.

Written study within 3 working days, once the file is complete.

Kerb grab holding a concrete kerbstone suspended above its bed, along a road
The kerbstone is held by the machine, not by arms. A concrete kerbstone weighs what no one should lift repeatedly:
it is an occupational health argument before it is an argument of output.
Synthetic image.
04 Choice

What determines the choice

  • 01 — The dimensions of the units to be laid The width, height and length of the kerbstones fix the opening of the jaws.
    A site that mixes kerbs and channels calls for a wider opening range.
  • 02 — The unit weight It determines both the capacity of the grab and the permissible reach of the machine.
    A heavy kerbstone laid far from the excavator is the critical case.
  • 03 — The rotation It calls for a second hydraulic function.
    Without it, the tool keeps its value but loses part of its benefit.
  • 04 — The contact with the unit Badly suited jaws mark or split a thin concrete kerbstone.
    The facing of the jaws is chosen with the material.
05 Check

What is checked before ordering

  • The lifting framework Gripping and moving a load above the ground comes under lifting.
    The machine must be equipped accordingly, and the periodic inspections apply. See the lifting section.
  • The load chart at the laying reach Laying is often done at the edge of an excavation, arm extended, machine on reworked ground.
    It is the worst case, and it is the real case.
  • The two hydraulic functions Squeezing and rotation.
    The free return to tank is checked as well.
  • Holding safety in case of pressure loss A load that falls during laying is an accident.
    The holding device is not an option.
  • The interface Coupler type and size, or pin dimensions.
In the same family
Handling and lifting
On the interface
To go further
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