Manitowoc Crane Companies, Inc.

Bradley Charles Calaman

John Fremont Benton

Stephen J Schoonmaker

Martin R Stander

Jared Yorke

A locking head assembly () for a telescoping boom () of a crane () includes a locking head () having a base (), an operating plate () operably coupled to the base, one or more cylinder pins () and/or one or more section lock arms () movable in response to movement of the operating plate relative to the base. An actuator () is operably coupled to the operating plate and configured to move the operating plate relative to the base. The actuator includes a motor () and a drive arm (). The motor is configured to drive the drive arm between a drive arm first position and a drive arm second position. A motion mitigator () is connected to the actuator and the locking head and includes a housing (), a rod () movable relative to the housing, and a biasing device () disposed between the rod and the housing.

Locking head assembly for crane boom pins, boom with such an assembly and crane with such a boom

A wear pad for a telescoping boom assembly includes a wear pad body having a first surface and a second surface oppositely positioned from the first surface and spaced from the first surface by a height of the wear pad body, a groove formed in one of the first surface and the second surface, the groove extending along a length of the wear pad body, and an insert positioned in the groove such that a portion of the insert projects outwardly from the groove. The telescoping boom assembly includes an inner boom section and an immediately adjacent outer boom section. The wear pad is configured to be installed between the inner and outer boom sections.

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Carlisle, PA, United States of America

Bradley Charles Calaman