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FullSharp · since 1991

Overhead mounted vertical mast arm

Download PDF spec sheet

Overview

A vertical mast arm for applications that need long up and down travel and precise placement. Round mast for direct loads or square THK mast for offset loads.

Knight’s ATA4000 Overhead Mounted Vertical Mast Arm has fixed control handles that improve ergonomics by eliminating the need for an operator to bend or reach. It is typically used in applications that require significant up and down travel and precision placement. The arm can either rotate 360 degrees or can be fixed mounted for the operator.

Vertical Mast Arms are available with either a round mast for direct loads, or a square THK mast for offset cantilevered loads.

The ATA4000 Vertical Mast Arm can be used with any Knight Balancer or chain hoist. It can also come with an attached bearing clutch and friction (bumper) parking brake. This arm has a maximum capacity of 500 lbs. [226kg] and a maximum torque of 853 ft/lbs. [1,156Nm]. Maximum travel varies with each application.

Contact a Knight representative for more information.

General Information

Features

  • Handles in a fixed ergonomic position on the mast.
  • Variety of Control Configurations.
  • Rail Length Available: Up to 15 ft. [4.6m].
  • Max. Arm Length: Up to 48 in. [1,219mm].
  • Max. Torque: Up to 853 ft./lbs. [1,156Nm]. (Lengths over 48 in. Contact a Knight Representative).
  • Max. Vertical Travel: Varies
  • Max. Capacity: Up to 500 lbs. [226kg] at 100 psi [6.8bar].

Benefits

  • Can be used with a Knight Balancer or Chain Hoist.
  • Reduces Operator Fatigue.
  • Fixed or 360° Rotation.
  • Optional Parking Brake.
  • Optional Bearing Brake.

Videos

*Applications Compilation

Vertical Mast Arm – IP Install Assist

Accessories

General 3
Parking Brake ASA9510
ASA9510Parking Brake
Weight
3.6 lbs. [1.63kg]
DetailsKnight Global's ASA9510 is a bolt-on design that attaches to the arm bearing to allow an arm to be parked when not in use. The ASA9510 parking brake will eliminate any vertical rotation on the main bearing. It can be integrated with fixture controls to accommodate the user. The ASA9510 should not be used for torque applications.
  • Pneumatic Parking Brake System.
  • Parking brake is also a drag brake when regulator is attached.
  • Replaceable Brake Pads.
  • Stroke Size: 0.75 in. [19.1mm].
  • Bore Pneumatic Cylinder: 2.00 in. [50.8kg].

CAD drawing

Clutch Bearing Brake ASA9522
ASA9522Clutch Bearing Brake
Weight
19.8 lbs. [8.98kg]
DetailsKnight Global's ASA9522 is a bolt-on design that attaches to the arm carriage pan to allow an arm to be parked when not in use. The ASA9522 clutch bearing brake will eliminate any vertical rotation on the main bearing. It can be integrated with fixture controls to accommodate the user. The ASA9522 can be used for torque applications.
  • Pneumatic clutch Brake.
  • Min. Static Clutch Torque: 910 in. lbs. [102Nm].
  • Max. Static Clutch Torque: 3,640 in. lbs. [411Nm].
  • For Torque Applications.

CAD drawing

Series Lube-Free Motor TRA5500
TRA5500Series Lube-Free Motor
Max capacity
2, 000 lbs. [908kg]
DetailsKnight Global's TRA5500 Series Lube-Free Motor provides mobility by towing bridges, fixtures and heavier loads. The TRA5500 is equipped with a Lube-Free Motor that requires less maintenance and will have a longer expected service life and is typically used to assist an operator to push, pull or position loads. Knight's Lube-Free Motors are available on the TRA5500 Series Air Tractors only. The TRA5500 Tractor Series is designed to be used in conjunction with Knight's RAD4110 and RAD7510 workstation crane systems. Knight Pneumatic Tractors can be integrated with an pneumatic fixture allowing for multiple configurations such as: automatic return home, conveying of a load to the next position, and starting and stopping limits with the use of air logic.
  • Assists operator in pushing, pulling and positioning loads.
  • Maximum Speed: 1.9 ft. per sec [1.3mph].
  • Maximum Air Consumption: 75 cfm.
  • MCBF: >500,000 (>10,000,000 Linear ft.).
  • Integrated Load Trolley.
  • Tows fixtures, bridges and loads.
  • Optional TRA2001 (Hanging) pendant.
  • Optional TRA2002 (Fixture Mounted) pendant.

CAD drawing

Load Trolley 5
Load Trolley with Yoke MRTA7723
MRTA7723Load Trolley with Yoke
Max capacity
3, 000 lbs. [1, 360kg]
Weight
12.1 lbs. [5.49kg]
DetailsThe MRTA7723 Load Trolley with Yoke transfers loads along the horizontal axis and suspends Knight arm carriages and fixtures from Knight's RAD7510 series overhead aluminum rail systems.
  • Fiberglass filled High Impact Nylon Wheels.
  • Side Guide Rollers with integrated bearings.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

CAD drawing

Low Profile Load Trolley with Yoke MRTA6123
MRTA6123Low Profile Load Trolley with Yoke
Max capacity
1, 600 lbs. [725kg]
Weight
8.3 lbs. [3.76kg]
DetailsThe MRTA6123 Low Profile Load Trolley with Yoke transfers loads along the horizontal axis and suspends Knight arm carriages and fixtures from Knight's RAD6110 Series Overhead Aluminum Rail Systems.
  • Fiberglass filled High Impact Nylon Wheels.
  • Side Guide Rollers with integrated bearings.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

CAD drawing

Load Trolley with Yoke MRTA4009
MRTA4009Load Trolley with Yoke
Max capacity
1, 100 lbs. [499kg]
Weight
7 lbs. [3.22kg]
DetailsThe MRTA4009 Load Trolley with Yoke transfers loads along the horizontal axis and suspends Knight arm carriages from Knight's RAD4110 series overhead aluminum rail systems.
  • Fiberglass filled High Impact Nylon Wheels.
  • Side Guide Rollers with integrated bearings.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

CAD drawing

Flat I-Beam Load Trolley ATA2603
ATA2603Flat I-Beam Load Trolley
Weight
13.4 lbs. [6.08kg]
DetailsTransfers and suspends Knight's overhead mounted arms along a horizontal axis. The ATA2603 Flat I-Beam Load Trolley travels along a 3.25 in. [82.55mm] or 3.33 in. [84.58mm] I-Beam flange.
  • Side Guide Rollers with integrated bearings.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.
  • Fiberglass filled High Impact Nylon Wheels.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

CAD drawing

S-Beam Load Trolley ATA2604
ATA2604S-Beam Load Trolley
Weight
13.4 lbs. [6.08kg]
DetailsTransfers Knight's overhead mounted arms along a horizontal axis. The ATA2604 S-Beam Load Trolley travels along a 2.66 in. [67.56mm] flange or a 4.00 in. [101.6mm] S-Beam.
  • Side Guide Rollers with integrated bearings.
  • Double-shielded wheel bearings keep dirt out, and do not require lubrication.
  • Fiberglass filled High Impact Nylon Wheels.
  • Min/ Max Continuous Service Temp at 100% load: -20 degs. F to 248 degs. F.

CAD drawing

Safety Cable 3
Eye Bolt Safety Cable Kit FDA4133
FDA4133Eye Bolt Safety Cable Kit
Lengths
10 ft. [3.048m]
Cable thickness
0.25 in. [6mm]
DetailsKnight Global's FDA4133 Eye Bolt Safety Cable Kit prevents pneumatic balancers or fixtures from separating or falling from the overhead mounted trolleys, end trucks, or hangers in the event of an accident.
  • (4) Crosby® Saddle Clamps
  • (2) Cable Thimbles
  • (2) Eye Bolts
  • (1) Safety Cable made of a carbon steel 7 (strand) x 19 (wires) Galvanized Wire Rope (GWR).

CAD drawing

Safety Cable Kit with Oval Sleeves NICORWA4133
NICORWA4133Safety Cable Kit with Oval Sleeves
Weight
2 lbs. [.91kg]
Lengths
10 ft. [3m.]
Cable thickness
0.25 in. [6mm]
DetailsKnight Global's NICORWA4133 Safety Cable Kit prevents pneumatic balancers or fixtures from separating or falling from the overhead mounted trolleys, end trucks, or hangers in the event of an accident.

Replaces the CAMIRWA4133 Safety Cable Kit.

  • (2) Copper Oval Sleeves
  • (2) Cable Thimbles
  • (1) Safety Cable made of a carbon steel 7 (strand) x 19 (wires) Galvanized Wire Rope (GWR).
Safety Cable Kit RWA4133
RWA4133Safety Cable Kit
Lengths
6 ft. [1.8m]
Cable thickness
0.25 in. [6mm]
DetailsKnight Global's RWA4133 prevents pneumatic balancers or fixtures from separating or falling from the overhead mounted trolleys, end trucks, or hangers in the event of an accident. This safety cable kit is used as Knight's standard kit.
  • Used as Knight’s standard safety cable kit.
  • (4) Crosby® Saddle Clamps
  • (2) Cable Thimbles
  • (1) Safety Cable made of a carbon steel 7 (strand) x 19 (wires) Galvanized Wire Rope (GWR).

Technical documents

Brochure

CAD Drawings

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