Darrell K Vandegrift from 682 Wildwood Dr, Wooster, OH 44691, age 57, Phone: 330 264-4777

Mast Safety Restraint Mechanism
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US Patent:

20130284864, Oct 31, 2013
Filed:

Apr 25, 2012
Appl. No.:

13/455512
Inventors:

Darrell K. Vandegrift - Wooster OH, US
James S. Arnold - Canal Fulton OH, US
International Classification:

F16M 11/18
B66F 3/00
F16D 59/00
US Classification:

2481252, 188 67, 254387
Abstract:

Described herein is a safety restraint mechanism for a mast assembly. The safety restraint mechanism comprises a tension line attached to a lever and a winch mechanism such that operation of the winch mechanism translates a carriage assembly along the mast. A cam brake including an engagement profile at a first end thereon is pivotally attached to the lever at a second end. The cam brake is also pivotally attached to the carriage assembly such that the engagement profile pivots into a brake position or a free lift position relative to a tension force acting on the lever. The lever is pivotally attached to the second end and includes a kickstand. The engagement profile having a protruded portion to abut the tubes in a brake position and a relief portion to space the cam brake from the tubes in a free lift position.

Tripod And Transport Pack Assembly
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US Patent:

20120067752, Mar 22, 2012
Filed:

Sep 17, 2010
Appl. No.:

12/884918
Inventors:

Michael Allen Bohurjak - Medina OH, US
Darrell Keith Vandegrift - Wooster OH, US
Allen Michael McAfoos - Wooster OH, US
International Classification:

B65D 85/00
A45F 3/14
B23P 19/04
F16M 11/18
US Classification:

206320, 248419, 224257, 29700
Abstract:

A portable tripod mast assembly is provided that includes a tripod, a plurality of mast sections and a transport pack. The tripod includes at least three telescoping legs, wherein each leg is moveably attached to a common upper collar. The plurality of mast sections are each adapted to fit together end to end, forming a mast. The transport pack has a center compartment adapted to receive the tripod, wherein the center compartment includes a center panel and two side panels. Each side panel includes a plurality of individual pockets for receiving the mast sections. The transport pack further includes a base portion and a hood capable of extending over the mast sections, securing the sections in the pockets.

Darrell K Vandegrift