J.R. Clancy Provides Design, Manufacture and Installation of Theatrical Equipment Worldwide  
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Design, Manufacture and Installation of Theatrical Equipment Worldwide  
   
 
   
   
 
 
Automated Rigging
and Controls
 
Manual Rigging
  Blocks
  Head Blocks - 55 Series
  Loft Blocks - 19 Series
  Loft Blocks - 55 Series
  Loft Block Idlers
  Loft Block Pivot
  Custom Blocks
  Loft Blocks - Multisheave
  Mule Blocks - 12 Series
  Mule Block Stands
  Tension Floor Blocks
  Sliding Tension Blocks
  Fixed Combination
Floor Blocks
  Adjustable Combination
Floor Blocks
  Wire Guide Floor Blocks
  Light Duty Blocks
  Arbors & Counterweight
  Rope Locks
  Locking Rails
  Guide Systems
Rigging Accessories
Fire Safety Curtains
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                         
 
 
 
 
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Head Blocks - 55 Series  
Head Blocks - 55 Series
Upright head block; cast iron or nylon sheaves; 8", 12", and 16" diameter.
 
 
 
 
Head Blocks - 59 Series
 
Head Blocks - 59 Series
Underhung head block; cast iron or nylon sheaves; 8", 12", and 16" diameter.
 
 
 
Loft Blocks - 19 Series
  Loft Blocks - 19 Series
  Underhung loft block, with notched side plate for mounting to a single beam. Cast iron or nylon sheaves; 8" and 12" diameter.
 
 
Loft Blocks - 55 & 59 Series
 
Loft Blocks - 55 & 59 Series
Universal loft blocks for upright or underhung mounting. Cast iron or nylon sheaves with 8" and 12" diameter, plus 16" diameter steel blocks.
 
 
Loft Block Idlers
 
Loft Block Idler
Mounted on the side of a loft block to support ongoing lift lines.
 
 
Loft Block Pivot
 
Loft Block Pivot

Adaptor for Universal loft blocks which must be mounted on sloped beams.

Custom Blocks
 
Custom Blocks

Custom blocks are available to meet your requirements.

Loft Block - Multi-Sheave
 
Loft Block - Multi-Sheave

Rope blocks with 2 - 5 independent sheaves.

 
 
Mule Blocks - 12 Series
 
Mule Blocks - 12 Series

Blocks for turning lift lines, 8" and 12" diameter.

 
 
 
Mule Block Stand & Swivel
 
Mule Block Stands & Swivel

Stands and swivel mounting brackets for mule blocks.

 
Tension Floor Blocks
 
Tension Floor Blocks
Adjustable block at the bottom of the hand line, used with A, J, or T guides.
 
 
 
Sliding Tension Floor Blocks
  Sliding Tension Floor Blocks
  Stand alone floor blocks used with fire curtains.
 
 
   
   
Fixed Combination Floor Blocks
  Fixed Combination Floor Blocks
  Stand alone floor block with rope lock, used with wire guide sets.
 
 
 
 
Adjustable Combination Floor Blocks
  Adjustable Combination Floor Blocks
  Stand alone floor block with rope lock, used with wire guide sets, with adjustable sheave.
 
 
   
   
Wire Guide Floor Blocks   Wire Guide Floor Blocks
  Used with 011-518 series wire guide locking rails.
 
Light Duty Blocks
  Light Duty Blocks
  3" blocks used with fire lines and other light load applications.
 
     
     
More Information
About Our Blocks
Rigging Installation
  Checklist
Counterweight
  Questions Answered
Rigging 101
Rigging Basics
Auditorium Safety:
  Rigging
Drawings