|
Match
|
Document |
Document Title |
|
|
6883642 |
Method of ladder-supported scaffold erection, and ladder bracing and scaffolding system for use therewith
An improved ladder-supported scaffolding technique and system using a pair of horizontally spaced vertical ladders for supporting staging planks therebetween and held vertically and rigidly by top...
|
|
|
6761246 |
Methods and apparatus for mounting a work platform to a ladder
A mounting system mounts a work platform to a ladder that includes a plurality of rungs, such that the work platform is elevated a distance above the ground. The mounting system includes a support...
|
|
|
6662902 |
Safety ladder scaffold
A worker back support which is laterally and slidably attached to a scaffold plank. The back support has a grip which is releasably attached about the waist of the worker. The back support provides...
|
|
|
6533070 |
Roof buddy
Raisable and lowerable platforms for use with ladders that are laid against exterior and interior walls, and against other inclined surfaces such as pitched roof surfaces. Two or more ladders can...
|
|
|
6148957 |
Ladder supported scaffolding
The ladder scaffold assembly of the present invention for releasable mounting on two spaced apart ladders placed side by side comprises a scaffold platform having opposing first and second lateral...
|
|
|
6109391 |
Ladder scaffold
A ladder scaffold is suspended from rods inserted through the hollow rungs of a ladder. The ladder scaffold includes at least two ladders, at least two platform braces, and a platform. Each...
|
|
|
6045102 |
Multi-purpose ladder and roof device
The multi-purpose Combo Jack™ tool combines the functions of a ladder jack, a roof bracket and a roof hooks into one piece of equipment. There are a pair of hooks attached to a rail supporting...
|
|
|
5992564 |
Ladder guide assembly for a scaffolding
A ladder support device is secured to a scaffold by two base arms. At one end of the base arms the device forms a "channel" in which the ladder can move vertically but not horizontally. This...
|
|
|
5862881 |
Safety scaffold and platform ladders
Safety scaffold or platform foldable structures for ladders are disclosed. The scaffold structure embodies an elongated expandable scaffold floor section which is removably connected to two spaced...
|
|
|
5769181 |
Ladder bracket and staging utilizing the same
A ladder support bracket for staging in which a pair of ladders are supported in a vertical position spaced from a wall and having a staging element supported by the ladder rungs. The support...
|
|
|
5727650 |
Support framework for a scaffold system
A scaffold support comprises a beam fabricated in the form of a rectangular steel tube having width less than its height, and a pair of legs each fabricated in the form of a rectangular steel tube....
|
|
|
5647452 |
Scafford jig
A scaffold jig including a first T-bar that has a first horizontal bar with a first vertical bar extending therefrom. The first vertical bar has a plurality of adjustment holes. Also included is a...
|
|
|
5638914 |
Portable platform system
A portable telescoping platform system. The platform system includes a plurality of telescoping poles, each pole having a removable lower bracket and a removable upper bracket. A plurality of legs...
|
|
|
5031722 |
Extendable scaffold bracket
A scaffold bracket for mounting on a ladder. The bracket comprises at least two legs, which are connected at one end to define a junction, said legs divergingly extending from the junction to their...
|
|
|
4949810 |
Attachment to stabilize and expand the use of hollow rung ladders
A pair of attachments for use with ladders constructed with hollow rungs to stabilize the ladder and to protect the gutter. These attachments when used with ladders also provide for a scaffold...
|
|
|
4941547 |
Safety featured ladder scaffolding
A wall scaffold using a pair of ladders equipped with ladder jacks for supporting a horizontal work platform. The invention includes numerous safety features such as a safety railing on standards...
|
|
|
4901818 |
Fire fighting roof ladder accessory
A firefighting roof ladder accessory that is designed to be supported between two roof ladders. The accessory comprises a beam, having two foot supprot surfaces that are perpendicular to each...
|
|
|
4616734 |
Roof Scaffolding
A firefighters' roof scaffolding is disclosed which is used by firefighters for standing upon the roof of a burning building in order to make a ventilation hole in the roof for ventilating the...
|
|
|
4537282 |
Work holding stackable step stool
A work supporting and holding stackable step stool is formed of plastic material, and includes a plurality of vertical and horizontal apertures provided in the step stool body sides for supporting...
|
|
|
4306700 |
Ladder jack
In the art of scaffolding, temporarily utilizing elevated planks, stages or platforms for supporting workmen and materials through use of two or more leaning ladders, a compact ladder jack has a...
|
|
|
4291784 |
Compact, quick assembly scaffold
A scaffold assembly including a ladder unit having an outside vertical member with a hollow top end and bottom end, an inside vertical member connected to the outside vertical member by horizontal...
|
|
|
4232759 |
Mobile ladder-scaffolding system
A track supported mobile ladder-scaffolding system with self-adjusting lateral supporting structure at the top for engaging a roof by means of a vehicle which engages track structure attachable to...
|
|
|
4074792 |
Portable hanging scaffold
A strong lightweight hanging scaffold for four or more workmen with heavy materials has a wide range of adjustability adapting it for a variety of uses on many types of one and two story buildings...
|
|
|
4060148 |
Portable collapsible scaffold structure
A portable collapsible scaffold structure is adapted to be supported in use upon and transported by a truck or other self-powered ground vehicle, and includes a pair of extensible ladders adapted...
|
|
|
3908792 |
Passenger carrying assembly
A passenger carrying assembly for supporting passengers in close proximity to a tall structure including a passenger carrying member, at least one support rail having a length which is greater than...
|
|
|
3907068 |
Ladder block
A block having a plurality of steps of different heights and useful as a stepladder for reaching different heights, depending on the size of the person. By laying the block selectively on any one...
|
|
|
3792750 |
SAFETY DEVICE FOR LADDERS
A safety device for use with a ladder having a pair of laterally spaced rails and a plurality of rungs extending between and spaced along the rails with opposed bores spaced along said rails in the...
|
|
|
3491852 |
LADDER SCAFFOLD
|
|
|
3425510 |
PORTABLE LEAN-TO SCAFFOLDS
|
|
|
3340960 |
Ladder
|
|
|
3326507 |
Ladder jack
|
|
|
3266593 |
Ladder bracket
|
|
|
3185425 |
Ladder scaffold bracket
|
|
|
2966957 |
Scaffold supporting structure
|
|
|
2936989 |
Ladder jack
|
|
|
2910135 |
Ladder scaffold with guard rail
|
|
|
2856112 |
Ladder brackets
|
|
|
2800371 |
Ratchet ladder
|
|
|
2779561 |
Extension ladder jack
|