By When were slip joint pliers invented?
1933
1933: A Legend is Forged This was a breakthrough year for Champion-DeArment as Chief Engineer Howard Manning developed the concept of multi-position, tongue and groove, slip-joint style pliers. The pliers were named “Channellock,” and a patent and trademark protection were granted in 1935.
What is slip joint pliers used for?
Slip-joint pliers are versatile tools that are used for gripping and bending hardware. They have two levels of teeth; the fine teeth located near the front are designed for gripping small objects and nails, while the coarse teeth located toward the back are designed for gripping bulky nuts and bolts.
What are slip joint pliers also called?
Tongue-and-groove pliers are a type of slip-joint pliers.
What are slip joint pliers made of?
Carbon Steel
Specifications
| Cut Type | Side-Cut |
|---|---|
| Jaw Width | 1-1/4″ (31.75mm), 1-3/4″ (44.45mm) |
| Material | Carbon Steel |
| Length | 7-5/8″ (194mm) |
| Weight | 0.644 lbs |
What is the most common size for slip joint pliers?
Although many lengths are available, the most common size for slip joint pliers is either 6 or 8 inches.
Why are they called pliers?
Lineman pliers are named for the occupation of electrical linesmen. The job of being an electrical linesman was born in the 1840s, with the invention of the telegraph. Linemen were those laborers who set the poles in place and strung the telegraph wires or lines between them.
What is a slip-joint and needlenose?
They are handy for holding or bending flat or round stock, can crimp sheet metal, loop a wire, cut soft wire nails, remove cotter pins, and, if necessary, loosen or tighten a nut.
What is the most common type of pliers?
24 Most Common Types of Pliers and Their Uses (With Pictures)
- Slip Joint Pliers.
- Lineman’s Pliers: Now let us talk about the durability of the lineman’s pliers:
- Tongue and Groove Pliers: Design.
- Diagonal Pliers: Uses of Diagonal Pliers:
- Needle-nose Pliers:
- Bent Nose Pliers:
- Round Nose Pliers:
- Locking Pliers:
What are the two main kinds of pliers?
Common Types of Pliers & Their Uses
- Crimping Pliers. These are also called crimping tools.
- Diagonal Pliers. These are also called flush-cut pliers, diagonal cutting pliers, wire cutters and others.
- Hose Clamp Pliers.
- Needle Nose Pliers.
- Slip Joint Pliers.
- Snap Ring Pliers.
- Tongue & Groove Pliers.
What is the difference between a wrench and pliers?
Wrenches are designed to fit nuts, bolts and other standard fasteners. Pliers grip, turn, squeeze and rotate round or irregularly shaped objects of most any size, from baling wire to barbecue grills.
How does slip joint pliers work?
Slip joint pliers are pliers whose pivot point or fulcrum can be moved to increase the size range of their jaws. Most slip joint pliers use a mechanism that allows sliding the pivot point into one of several positions when the pliers are fully opened.
Why do we need pliers?
Pliers are a hand tool used to hold objects firmly, possibly developed from tongs used to handle hot metal in Bronze Age Europe. They are also useful for bending and compressing a wide range of materials.
What do slip joint pliers do?
Slip joint pliers are pliers whose pivot point or fulcrum can be moved to increase the size range of their jaws. Most slip joint pliers use a mechanism that allows sliding the pivot point into one of several positions when the pliers are fully opened.
What kind of pliers have an adjustable pivot point?
Slip-Joint Pliers. Like most pliers, they are operated by opening and closing the handles, which produces an opening and closing action of the jaws. But slip-joint pliers have the added advantage of an adjustable pivot point, which allows the two parts of the jaws to be shifted with respect to one another.
What kind of pliers do you use to grip a sheet of paper?
Slip-Joint Pliers. So a pair of slip-joint pliers can be used to grip securely objects ranging in thickness from a single sheet of paper to a half inch or more, depending upon the size of the pliers. Most slip joint pliers have two or three options for positioning the pivot point.
What kind of pliers have two holes in them?
Straight slip joint pliers are configured similarly to common or lineman’s pliers in that their jaws are in line with their handles. One side of the pliers usually has two holes that are connected by a slot for the pivot.