Supplier: QTC METRIC GEARS
Description: Characteristics of Ratchets These pawls and ratchets are induction hardened and therefore have superior durability. Pawls for SRT(B) ratchets are designed to prevent reverse rotation. They are not suitable for use in driving ratchets or dividing rotation. SRT2/3-C is made of SCM440 by lost wax
- Metric Units: 2.09, 3.14, 6.28, 9.42, 12.56
- Number of Teeth: 100
- Outside Diameter: 7.87 inch
- Bore Diameter: 0.7874 inch
Description: 3.142mm Pitch, 90 Teeth, Brass Ratchet
- Metric Units: 3.14
- Number of Teeth: 90
- Outside Diameter: 3.54 inch
- Bore Diameter: 0.6299 inch
Description: 32 PITCH, 32 TEETH, BRASS RATCHET
- English Units: 32
- Number of Teeth: 32
- Outside Diameter: 1 inch
- Bore Diameter: 0.1875 inch
Description: 2.094mm Pitch, 75 Teeth, Brass Ratchet
- Metric Units: 2.09
- Number of Teeth: 75
- Outside Diameter: 1.97 inch
- Bore Diameter: 0.3150 inch
Description: 12mm Thick, Hardened Steel pawl
Supplier: KHK USA, Inc.
Description: Pawls limit direction of spin to one direction; has induction hardened tips for superior durability.
- Ratchet Material: Steel, Other Material
Description: B30.21 applies to the construction, installation, operation, inspection, and maintenance of ratchet and pawl and friction brake type lever chain, rope and web strap hoists used for lifting, pulling, and tensioning applications. The requirements for A href="http://files.asme.org/Catalog/Codes/
Supplier: Bobcat Company
Description: Strong steel construction. Ratchet stands feature counterweighted pawl with one piece multi-position ductile ratchet bar that locks securely. The pin stands have a heavy gauge steel frame to prevent distortion or twisting. Sold in pairs.
- Jack Type: Service / Floor Jack
- Actuation: Hand
Supplier: Southland Equipment Service
Description: not incorporate ratchet, pawls, or pawl spring as on other hand chain hoists. Frame and housing are made from impact resistant stamped steel for long life. All internal gears and pinions are heat treated steel for high strength. High quality bushings and sealed ball bearings used throughout. Chain guide
- Lift: 240 inch
Supplier: Norbar Torque Tools, Inc.
Description: are robustly engineered for strength and durability. The strength and high wear resistance comes from a coarse tooth pattern while a principle of offset ratchet pawls gives a narrow engagement angle. The square drive is not only a robust design but allows the wrench to be used for torque control in both
- Torque: 30 to 300 In-lbs
- Drive Size: 0.7500 inch
- Length: 26.14 inch
- Weight: 4.5 lbs
Supplier: Acme Tools
Description: style automatic brake system with dual ratchet pawls for positive load control. Drop forged safety hooks with durable latches swivel 360 degree for easy rigging. Slip clutch design; overload protection available on some models. All SMH hoists are proof tested and certified. Each hoist comes
- Power Source: Hand Chain
- Load Capacity: 11023 lbs
- Line Type: Chain
Supplier: Optimal Handling Solutions
Description: Portable, lightweight hoists are durable and easy to operate Compact design and low headroom allow installation in confined areas Enclosed double ratchet pawls with self adjusting disc brake standard Designed with a safety factor 4 times the rated capacity Individually tested at 150%
- Power Source: Hand Chain
- Load Capacity: 2000 lbs
- Line Type: Chain
Supplier: Hassel Material Handling Co.
Description: internal parts are heat treated for better protection. Also features double-sealed ball-bearing supported load sheave, dual ratchet pawl brake mechanism and overload protection.
- Power Source: Hand Chain
- Load Capacity: 6600 lbs
- Line Type: Chain
Force and Torque Instruments - CDI Digital Power Torque Multiplier, 0-2500 ft.lb., DPT2500 -- 539-DPT2500Supplier: Bluetools
Description: , CW and CCW, from 10% to 100% of full scale Easy Zero Adjust Powered by 9 volt Battery Balanced Precision Gear Train Heavy Duty Pawl Ratchet For Quick and Easy Alignment Side Loading Eliminated Clockwise or Counterclockwise operation Zero Back-Lash Indicated Fastener Relaxation to Nearest
Sawing and Cut-off Machines - Dake Johnson LE10A 10" Round, 7" x 12" Flat Automatic Band S -- DAKLE10ASupplier: Mile-X Equipment, Inc.
Description: front. Quick change stock system utilizes a vice with ratchet and pawl, 21/2 hardened rails. Guide arms - are the key to getting straight cuts so they are vertically mounted for more rigidity and feature self-adjusted inserts which can be easily released and tightened with a knurled knob. Cutting
Supplier: Murphy Industrial Products Inc.
Description: to install than standard ratchet loadbinders. The 3-position pawl offers the user a choice of ratchet extension, ratchet take-up or a "free spin" setting for fast adjustment in either direction. A load can be secured in half the time. It is available in three sizes and features a vinyl coated barrrel
Supplier: Stahlwille North America
Description: Ratchet spare parts sets for torque wrenches No 721/5-80 technical data code59191030 EAN code4018754035526 EClass 5.121040217 No7210/30 Content For ratchet/torque wrench No 721/30: 1 pinion, 1 pawl, 1 lever, 1 lever pin, 1 ball, 2 compression springs, 2 screws Weight g134
- Features: Ratcheting
Supplier: Air Compressors Direct
Description: Deflector •Routes exhaust away from user Case Hardened Components •Rugged crankshaft, drive-bushing, yoke, anvil & pawl •1/4" inlet; 3/8" minimum air hose size •Uses 18 CFM at load with 90 PSI; averages 6 CFM Limited Lifetime Consumer Warranty •Covers
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Berg W.M., Inc.
Ratchet and Pawls
Ratchet and Pawls are used to allow continuous linear or rotary motion in only one direction. It will also prevent motion in the opposite direction. Pitch: 16 - 48. Style: Right Hand Operation. Material: Stainless Steel (read more)
Browse Ratchets and Pawls Datasheets for Berg W.M., Inc.
QTC METRIC GEARS
Ratchets & Pawls made from S45C steel
Steel ratchets & pawls from Quality Transmission Components are stocked in 40 ratchet sizes and 5 pawl sizes. These pawls & ratchets, identified as the SRT and SRTB Series, are made of S45C steel and have an angle of jaw or teeth of 60 °. They are stocked in five pitch sizes. Number of teeth range from 50 to 100. Bore sizes range from 10 mm to 20 mm. Ratchets are stocked both with and without hubs. At the new QTC eStore you can get immediate quotes, download 3D models, and place... (read more)
Browse Ratchets and Pawls Datasheets for QTC METRIC GEARS
Custom Ratchets from Lowell
OEM motion control designers who need custom engineering support for mechanical applications will be interested in Lowell Corporation's extensive experience in modifying its off-the-shelf ratchet arms, handles, and ratchet and roller clutches to meet specific control requirements. Typical users include utilities, the military, and manufacturers of products such as paper and metal processing machinery, conveyors, heat exchangers, chain binders, and welding clamps. Applications include adjusting... (read more)
Browse Datasheets for Lowell Corporation
Lowell Low Cost Ratchet Clutches
nbsp;. Lowell Series 700 Ratchet Clutches are self-contained versions of the ancient ratchet-and-pawl mechanism. They can be attached rigidly to or free-float on machinery and equipment. Uses include overrunning, backstopping, coupling and indexing. Their working parts consist of a rotating gear, spring-loaded pawl/shifter and a sandwiched steel plate body. . By moving the control lever of the spring-loaded shifter away from the gear; the gear may be driven in a clockwise direction only... (read more)
Browse Mechanical Clutches Datasheets for Lowell Corporation
Columbus McKinnon Corporation Hoists & Rigging Products
CM Series 653 Ratchet Lever Hoist
3/4 to 6 ton Capacities. As part of our commitment to bring best-in-class products to market, we are continuously looking to improve existing products. Introducing our popular CM Series 653 ratchet lever hoist redesigned with a shorter handle. This modest modification makes a world of difference. Ideal for confined work areas, the Series 653 3/4 and 1-1/2 ton models are now some of the most nimble and easiest to operate hoists on the market today. The Advantages of a Shorter Handle. Reduces... (read more)
Browse Hoists Datasheets for Columbus McKinnon Corporation Hoists & Rigging Products
Rack and Pinion Rotary Actuator
The Rotomation indexing actuator is a rack and pinion rotary actuator with the addition of a pair of one-way roller clutches and a ratchet and pawl mechanism to produce a true indexing action. The ratchet is keyed to the shaft, so stopping points are always fixed, with no accumulating error possible. This mechanism makes it possible to produce steps of 15 to 360 degrees per stroke. . Unique - Indexing Shaft Drive. Torque - 277 in. lb. @ 80psi. Configurable - Choose your options. Reliable... (read more)
Browse Pneumatic Rotary Actuators Datasheets for Rotomation, Inc.
1200 Series Powereel
. · Available in 3 and 4 Conductors (Incl. dedicated ground). · All-Steel Pawl and Ratchet with 4 Locking Positions. · Automatic Locking Ratchet With Lockout Lever Option. · Adjustable / Removable Steel Cable Guide. · Low-Friction, 4-roller cable guide. · Adjustable Ball Stop Included. · 6' Feeder Cord. Note: Molded Plug included on all NEMA 2 models. · Slip Ring: 30 Amps, 600 Volts... (read more)
Browse Reels Datasheets for Conductix-Wampfler
Reelcraft Industries, Inc.
For wall, ceiling, floor, pit or truck mount.
and base are stamped with ribs and gussets to insure maximum strength and lightest possible weight. •Reduced Wear - By design, the ratchet and latch pawl are substantially thicker than competing reels to reduce wear and increase service life. •Long Life Drive Spring - Declutching arbor eliminates reverse spring winding, and torsions latch spring is virtually unbreakable. High quality spring steel is used and conditioned to insure there are no imperfections offering... (read more)
Browse Reels Datasheets for Reelcraft Industries, Inc.
More Information Top
Reliability of a MEMS torsional ratcheting actuator
We have also observed failure when running at low speeds (5 Hz) due to misalignment of the ring gear preventing the ratchet pawl from engaging.
Development and testing of a multi-level chevron actuator based positioning system
There are oppositely facing serrated teeth on either side of the shuttle which are used for its movement in the forward and backward direction, when meshed with the ratchet pawls .
Development of highly integrated magetically and electrostatically actuated micropumps : LDRD 64709 final report.
ring, the force from each set of attracting comb fingers is transmitted to each of the three TRA ratchet pawls , which are evenly distributed around the TRA.
Figure 18 (middle) shows the position of the handle, sheath, and ratchet pawls when, after 15 degrees of handle rotation, the sheath reaches the end of its travel and the pawl makes contact with the ratchet tooth.
Mechanisms and Mechanical Devices Sourcebook, Fifth Edition > CLUTCHES AND BRAKES
The principal parts of this clutch are driving ratchet B, driven crank C, and spring-loaded ratchet pawl D. Driving ratchet B is directly connected to the motor and free to rotate on rod A. Driven crank C is directly connected to …
Installation of a Ratchet Tooth and Pawl To Restrict Rotation in a Cyclodextrin Rotaxane
Our aim was to identify a link that would interact with the adjacent methoxyl substituent, such that they would behave analo- gously to a ratchet pawl and tooth, respectively (Figure 1), to restrict rotation.
Dry actuation testing of viscous drag micropumping systems for determination of optimal drive waveforms
Since all mobile comb arms are attached to an external ring, the force from each set of attracting comb fingers is transmitted to each of the three TRA ratchet pawls , which are evenly distributed around the TRA.
Parametric monitoring for the SUMMiT V surface-micromachining process
There are three ratchet pawls and three anti-reverse pawls located symmetrically around the ring gear.
Acceleration of dormant storage effects to address the reliability of silicon surface micromachined Micro-Electro-Mechanical Systems (MEMS).
SEM images of the (a) ratchet pawl , and (b) anti-reverse pawl.
An array of microactuated microelectrodes for monitoring single-neuronal activity in rodents
While the up-drive is engaged (to pull the shuttle up), a set of ratchet pawls for the down-drive are pulled away and disengaged from the shuttle to allow free mo- tion.
Accelerating aging failures in MEMS devices
Each time interval has a different set of devices. the ratchet pawls with the ring gear.