Below the Hook
Use our Below the Hook Product Glossary to enhance your understanding of the terminology associated with our Below the Hook products.
Below the Hook Product Glossary
- Adjustable Bail: Allows the bail to move left or right of the center of the lifter.
- Auto-Latch: Used as a mechanical hold in the open position.
- Bail: A mounting point on a lifter that attaches the top of a lifter directly to a hoist or crane hook.
- Parking Stand: Used to store a lifter when not in use.
- Center of Gravity (CG): Is the location of the balance point of a load.
- Certificate of Compliance: A document signed by an authorized representative of a manufacturer, certifying that a product or batch of products was manufactured in accordance with all other applicable laws and specifications.
- Certificate of Conformance: A document issued by an authorized party or manufacturer and states that the product meets the required standards or specifications.
- Certificate of Proof Test: Document that certifies a load test was performed on a lifter.
- Chain Top Rigging: Multiple leg chain sling attached to the bails on a lifter brought together as a single lifting point on the lifter.
- Chain Wheel: A pocketed wheel that meshes with a chain to transmit motion.
- Chamfered Drill Holes: A beveled edge around the hole.
- Counter Balance: A weight added to a lifter designed to balance the lifter and the load.
- Counter Weight: A weight added to balance a lifter.
- Direct Drive: When mechanical parts are driven directly by a motor, without a belt or chain to transmit power.
- Drop Chains: Chain slings added to the lower lifting lugs.
- Gusset: Steel plates used for strengthening the structure of a lifter.
- Headroom: The amount of vertical lift necessary to make and complete a lifting scenario. Considering all things like, the product that is to be lifted, the device doing the lifting, and the amount of free travel space from the crane hoist hook.
- H-Frame Design: A structural lifter designed in the shape of the letter “H”.
- Integrated Beam Stand: A stand built into a lifter used for proper storage of the lifter.
- Keyed-In Bail: When a bail fits into a slot cut into the top of the lifter and is welded above and below.
- Keyed-In Lug: When a lug fits into a slot cut into the bottom of the lifter and is welded above and below.
- Load Pins: Pin used to attach rigging to a lifter.
- Low Headroom Bail: Our standard plate bail welded to the top of a lifter.
- Lug: The point on a lifter that attaches the lower rigging to the lifter.
- Machined Bail: A bail that has a machined radius designed to reduce wear on the saddle of a hoist or crane hook.
- Machined Rack and Pinion Adjustment: A machined linear mechanism that is comprised of a circular gear (pinion) that engages with a linear gear (rack).
- Off-Center Load: Occurs when the balance point of an object is not located directly in the center of the load.
- Pin Style Bail w/Taper: A pin mounted between two gussets designed to provide an easier fit to larger crane hooks, a taper is machined into the pin used to center the hook.
- Proof Testing to 125%: of Rated Capacity a load at 125% of the rated capacity of a lifter is applied to demonstrate the fitness of the lifter.
- Recessed Counter Weight: A counter weight that is moved closer to the bail used to reduce overall length of the lifter.
- Self-Locking: A lifter or component of that automatically fixes itself in an open or closed position.
- Shackle Lug: A mounting point on a lifter that attaches a lifting shackle used connect the bottom of the lifter to the load.