ALEXANDER/RYAN MARINE & SAFETY CO. Patent applications |
Patent application number | Title | Published |
20140200105 | SAFETY APPARATUS FOR USE WITH A SHEAVE - A safety apparatus safety apparatus for use with a sheave has a first plate suitable for placement over one side of the sheave, a second plate suitable for placement on an opposite side of the sheave, and a carriage positioned at a periphery of the first and second plates. The carriage extends across a gap between the plates. The carriage is movable along the peripheries of the first and second plates. The carnage includes a lust carriage and a second carriage which are independently movable with respect to each other. The carriage includes a first body, a second body, and a discoidal member pivotally mounted to the first and second bodies. The discoidal member has a hole suitable for allowing the cable of the sheave to pass freely therethrough. | 07-17-2014 |
20140106916 | HAND PROTECTION SAFETY APPARATUS FOR USE WITH SHEAVES AND PULLEYS - A safety apparatus has a sheave with a surface extending circumferentially therearound, a first housing interconnected to the sheave, a second housing interconnected to the sheave and pivotally connected to the first housing, and a line extending over the surface of the sheave and through, an inferior of each of the first housing and the second housing. Each of the first and second housings has a hole formed at an end opposite the sheave. The line has a first portion extending through the hole of the first housing and a second portion extending through the hole of the second housing. Bushings are respectively received within the holes of the housings. | 04-17-2014 |