Cuplock System


:: Cuplock System ::


Cuplock / Cup lock is a unique node point connection allows up to four horizontal members to be connected to a veritical members in one single action – without the use of nuts and bolts or wedges. The locking device is formed by two cups. Single node point action of unique locking make ‘cuplock/Cuplock‘ a fast, versatile and optimized system of scaffolding for scaffolding for construction, demolition and maintenance projects throughout the globe.

Silent Features:

  • Cuplock system – Easy to STAND – say no to nuts and bolts or wedges
  • Just a simple locking cup at each node point on the standards enables connection of the ends of up to four members in one locking action.
  • Cuplock systems- Versatile!
  • Best suitable for access or formwork support.
  • Cuplock systems- Timely tested and Proven design with safety accessories
  • Cuplock System has a proven performance history on an extensive number of sites, meeting the requirements of the various statutory bodies.
  • Quick fastening of horizontals. Only 4 horizontals can be fastened at one time with firm clamping action of top cup making the joint rigid.
  • Quick/Fast/Solid erection and dismantling results in time and labour saving.
  • Widely and Versatile use in construction, demolition or maintenance projects for any type of structure i.e. straight or curved.
  • Lightweight but high loads carrying capacity.
  • Low maintenance.


Various Cuplock Systems manufactured by CHAUDHARYSCAFF are as follows :


Standard / Vertical Cuplock

3.0 17.69
2.5 14.86
2.3 13.33
2.0 12.02
1.8 10.50
1.5 9.19
1.3 7.66
1.0 6.35


Standard-Vertical-CuplockCuplock spigotted standards are manufactured from 48.3mm O.D. tube. They have cup joints at 500mm intervals. The captive mobile top cups are designed to endure rough site handling and welded bottom cups are made from high-quality steel. Integral spigots are provided at the top of each standard for making vertical connections. The spigots and the base of each standard incorporate 11/16mm dia. holes to enable use of locking pins to join standards where necessary.


Ledger / Horizontal Cuplock


2.50 9.17
2.00 9.39
1.80 6.68
1.50 5.61
1.30 4.90
1.25 4.72
1.00 3.83
0.90 3.47
0.60 2.40
Ledger-Horizontal-CuplockThe Ledgers are manufactured from 48.3mm O.D. tube with forged steel blade ends which locate into bottom cups of the standards and are locked in place by the corresponding top cups. Ledgers are available in various lengths to provide the desired grid dimension for scaffolding or formwork.TOP


Cuplock Transom


cuplock-transom Transoms are fabricated from twin structural angles fixed back to back with a drop forged blade attached to each end. The 1.8m and above Transom has an additional web member welded below the flange section for added strength. The transom blade locates into a bottom cup and is locked in position by the top cup. The outward standing bottom leg of the angles supports the steel planks in a captive manner. Available in various lengths to suit scaffolding and formwork applications.


Cuplock Omega Transom


Cuplock-Omega-Transom Omega Transoms manufactured from press bent section with flange type extensions on both sides provides a strong support for working platform with Cuplock steel battens.


Cuplock Intermediate Transom


Cuplock-Intermediate-Transom For use where distance between standards exceeds the span of scaffold boards Cuplock intermediate transoms Available in various lengths.


Cuplock Inside Board Transom


INSIDE-BOARD-TRANSOM Similar to intermediate transoms, inside board transom is used for providing facility for a single inside board platform.


Cuplock Return Transom


cuplock-transom The Return Transom is used at the end of a scaffold run where it meets another scaffold running at right angles to it. The U-shaped return section of the transom hooks over the ledger of the adjacent scaffold, closing off the gap between the two scaffold.


Ladder Access Transom


ladder-access-transom The Ladder Access Transom is used to provide an opening in a bay allowing a ladder to pass through it. The L.A. Transom is attached to and spans between the ledgers in the bay.


Cuplock Bracing


Cuplock-Bracing For diagonal bracing of scaffolding a range of longitudinal braces made with swivel forged blades at either ends to be fitted into cups of Cuplock standards are available.TOP


Cuplock Cantilever Frame


Cuplock-CANTILEVER-FRAME This item is used for providing support to decking or formwork at edges. This frame has ledger blades to be fitted into cups of Cuplock standards at one end and with provision for accepting jacks in three positions at the other end at 1.2 m, 1.25 m and 1.3 m from centerline of the standard.TOP


Beam Brackets


beam-brackets It is fixed on the main vertical supporting beams and can avoid separate vertical for supports of slab form work.TOP


Hop-Up 1/2/3 Bracket



Hop-Up-1-2-3-Bracket Hop-up Brackets are designed in omega sections as well as in tubes sections for placing battens with provision of forged blades to be fitted with Cuplock standards by cup joint. Omega Hop-up brackets are available for single board, two board and 3 board allocations.



Socket Base And Universal Jack


Cuplock-Bridging-Horizontal Universal JackThe Screw Jack provides a method of jacking which can be used at either the top or bottom of a scaffold structure. It is used in conjunction with Forkheads, Socket Base and Drophead Adaptors.Socket BaseThe Socket Base is used in conjunction with the Universal jack and is drilled to allow for the insertion of a securing bolt if required. The dimensions are as mentioned.Loose SpigotMade out of 300 mm long square tube and with out and bolt spigots are used for connecting verticalsAdaptorThe Drophead Adaptor units provide for the easy conversion of Dropheads from the Waffle and Trough or Metriform Support Systems for use with Cuplock.


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