Ratchet clutches

Aug. 11, 2011
Ratchet clutches control motion in several ways: one-way left, one-way right, freewheeling, and fully locked

Ratchet clutches control motion in several ways: one-way left, one-way right, freewheeling, and fully locked.

Each clutch body contains only a gear, two spring-loaded pawls, and a control lever. Moving the control lever to the side engages a pawl and permits driving the gear in one direction only; moving it to the other side drives the gear in the opposite direction. Besides clockwise and counterclockwise ratcheting action, the units have a neutral position that is selected by centering the control lever. When in neutral, the gear engages with both pawls and prevents it from turning.

Static torque range is 200 lb-ft (272 Nm) with an overrunning speed of 250 rpm to 6,260 lb-ft (2,817 Nm) with an overrunning speed of 30 rpm.

Lowell Corp.
Box 158
Worcester, MA 01613
(800) 456-9355
www.lowellcorp

© 2011 Penton Media, Inc.

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