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7284746 |
Clamping apparatus and apparatus for use in erecting temporary guard rails
An apparatus for use in clamping a structure at its edge, the structure having opposed surfaces, the apparatus comprising a stanchion, a first clamping assembly attached to the stanchion and a...
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7234689 |
Clamping apparatus and apparatus for use in erecting temporary guard rails
An apparatus for use in clamping a structure at its edge, the structure having opposed surfaces, the apparatus comprising a stanchion, a first clamping assembly attached to the stanchion and a...
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7228938 |
Outrigger assembly for supporting a platform adjacent a work area
An outrigger assembly includes at least one support unit including a first elongated support arm and a second elongated support arm cantilevered and secured to the first support arm. A...
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6931793 |
Roof scuttle safety railing system
A roof scuttle safety railing system is provided for an existing or new roof scuttle which railing may be installed on the roof scuttle by unskilled labor without compromising the integrity of the...
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6902152 |
Adjustable fence rail supporting and positioning assembly and method for using the assembly
The invention includes an assembly for adjustably supporting and positioning a fence rail at a user-selected, user-modifiable elevation and at an user-selected, user-modifiable angle. The assembly...
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6679482 |
Construction perimeter guard
The present invention is an improved construction perimeter guard stanchion. A dual adjustment system performs both coarse and fine adjustments to tightly clamp a pair of jaws at the lower end of...
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6453495 |
Clamping device for deck panels with support saddles
A clamping device for use with or without a support saddle includes upper and lower filler bars adapted to extend along the upper and lower surfaces of a tongue like connecting member on an...
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5507434 |
Clamp mount for concrete ties
Apparatus for mounting an impedance bond or other device between a pair of spaced, concrete railroad ties employs a clamping plate which overlies and spans the ties, and a pair of clamping feet...
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5456451 |
Safety railing post and brackets therefor
The present invention relates to hand railing that complies with Occupational Safety and Health Administration (OSHA) regulations for hand railing on both landings and stair cases. The hand railing...
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5314167 |
Temporary rail structure for a floor
The present invention relates to a temporary rail structure that includes a series of vertical posts that are interconnected by horizontally extending side rails. Each post is designed to clamp...
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4669577 |
Slab clamp guard rail post
A clamping-type guard rail support having a post which is clamped in position by raising an opposing clamping arm attached to a threaded rod which is braced to prevent rotation of the rod and arm.
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4644329 |
Edge of roof perimeter workman safety light device
A workmen protecting safety light for roof perimeter edge protection includes a pair of invisible light beam units, one bearing a light beam source and the other being a light beam...
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4231538 |
Clamping devices
A clamping device for clamping to a parallel sided support, e.g. a desk top or shelf comprises an elongate base on which is rigidly mounted a first arm. A second arm is slidable on the base and...
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4130262 |
Adjustably interfitting panel clamp
An adjustable clamp includes two overlying, interfitting, L-shaped members together with an anchor screw. A panel is held in an adjustable space between the arms of one portion of each L. The arms...
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3995833 |
Removable guard rail stanchion apparatus
Removable guard rail stanchion apparatus comprises a clamping portion adapted for clamping to surfaces of a floor edge and a vertical stanchion post having a lower end releasably locked in a socket...
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