What Does Clevis Mean?

Is there a difference between a shackle and a clevis?

Shackles and clevises are U-shaped mechanical couplers closed by a pin or bolt.

Shackles are primarily used in construction, rigging and lifting.

A clevis is used in less demanding applications such as farming and towing..

What does a clevis look like?

The clevis is a U-shaped piece that has holes at the end of the prongs to accept the clevis pin. The clevis pin is similar to a bolt, but is either partially threaded or is unthreaded with a cross-hole for a split pin.

How much weight can a 3/4 shackle hold?

Tell a FriendProduct:DRSPA750Approx. Weight Each:2.34 lbs.Working Load Limit:4 – 3/4 TonsPin Diameter:.875″Throat Opening:1.25″4 more rows

How do you measure clevis?

Question one: How is a Clevis Pin measured? Answer one: Clevis Pins are measured from under the head to the end of the pin. The grip length of the pin can be calculated by taking the length and subtracting the HC (Hole Centre) and half of the hole diameter.

How is shackle size determined?

Shackles are sized according to the diameter of the bow section rather than the pin size. Never use a shackle if the distance between the eyes is greater than listed in the manufacturer’s tables.

What is a clevis joint?

A clevis joint is a type of coupling where the mating component fits between the forks and is held in place via a clevis pin. Made to DIN 71752 and also known as a fork end or yoke, they are commonly used as a coupling on the end of air cylinders or at the either end of a turnbuckle or wire rope for tensioning.

How do you use clevis?

The Clevis Fastener Explained The open section contains two holes, one on each prong, that supports the use of a pin. Once the clevis position is positioned properly, a pin is inserted through these holes. A split pin may then be inserted into the pin itself to secure it in place.

What is a 3/4 shackle rated for?

Shackles – Quenched & TemperedNominal Size (in.) Diameter of BowCarbon Maximum Working Load (Tons)Alloy Maximum Working Load (Tons)1/223.35/83-1/453/44-3/477/86-1/29.510 more rows

How do I open a clevis pin?

Grasp the flat head of the clevis pin with self-locking pliers. Pull the clevis pin away from the part while twisting the pin in a circular motion.

How long is a shackle of chain?

As part of a land vehicle, a shackle is a link connecting a leaf spring to the frame. A nautical unit used for measuring the lengths of the cables and chains (especially anchor chains), equal to 15 fathoms, 90 feet or 27.432 meters.

What is a clevis used for?

A U-shaped coupling having holes at each end, through which a bolt is run; used especially to fit attachments to a tractor or other vehicle as it allows a degree of rotation about the bolt. The definition of a clevis is a U-shaped fastening device with two holes at the end for a pin or bolt to pass through.

How strong are clevis pins?

Yes, pins can be made in any grade of steel you would like assuming that the material is available. Standard sized A325 bolts are a typical high strength alternative and are approximately 2.5 times stronger than standard pins which are typically made from low carbon steel wire.

What is the plural of clevis?

clevis (plural clevises)

What is the most common misuse of rigging?

With rigging hardware, what we’re talking about is items like hooks, links, shackles, turnbuckles, eye bolts, and hoist rings. The most common problems tie back to misuse and abuse and lack of inspection. Some of the most common issues we see are: Hooks with missing or broken latches.

What is the difference between D shackle and bow shackle?

Bow shackles and anchor shackles are terms that are often used interchangeably, as both names refer to a shackle with a larger, rounded “O” shape look. … A d-shackle is narrower than a bow or anchor shackle and generally have a threaded pin or pin close. The smaller loop is designed to take high loads primarily in line.

What is an anchor shackle?

Anchor Shackles / Bow Shackles The terms anchor shackles and bow shackles are both used interchangeably and refer to a type of shackle with a larger, round “O” shaped bow. A larger bow shape allows these types of shackles to be side loaded or used in multiple sling-leg connections.