This invention relates to a stabilizer for a scaffold and more particularly to a stabilizer for a scaffold used indoors, which reduces the flexibility of scaffold and increases the stability thereof. This stabilizer can eliminate instability from the scaffold when it is erected as a single piece or as multiple pieces stacked on top of each other.
In the process of decorating or otherwise treating the inside of a building, it is necessary to reach above the normal reach of a person. This applies to painting, hanging wallpaper, or otherwise decorating a particular area. When reaching above the normal reach of a person, a ladder or a scaffold is a common way to achieve that goal.
Use of a ladder requires too much movement. Use of a scaffold minimizes movement, but causes a stability problem. Steps to maximize the stability of the scaffold can interfere with the ease of assembly and other uses of the scaffold.
An interior scaffold such as baker's scaffold or painter's scaffold is needed to work on home building, repair, or remodel. However each of these products lack stability. This type of scaffold is used when trades need a platform to work on for home building, repair, or remodel. It is sold or rented by hardware and home improvement stores, paint supply stores, as well as directly from scaffold manufactures and tool rental stores.
The stability issues affecting a scaffold are well-known. For example, the typical interior style baker scaffold and painters scaffold designs are present across the entirety of all currently designed alike products making stability an issue for anyone using these types of scaffolds. The scaffold has a wobble, wiggle, shake or sway when it is erected as a single piece or as multiple pieces stacked on top of themselves for additional height.
It becomes clear that stabilizing the scaffold without substantially increasing the effort to assemble or disassemble the scaffold provides a great advantage to anyone desiring to use the scaffold. This is especially true for a scaffold, which is used for interior decoration of a building, whether that building is commercial or residential.
Among the many objectives of the present invention is the provision of a suitable stabilizer for a scaffold.
Another objective of the present invention is the provision of a clip assembly to stabilize the movement of a scaffold.
Yet another objective of the present invention is the provision of a suitable stabilizer for a scaffold used indoors.
Still another objective of the present invention is the provision of a clip assembly to stabilize the movement of a scaffold used indoors.
A further objective of the present invention is the provision of a clip assembly to at least reduce the wobble of a scaffold.
A still further objective of the present invention is the provision of a suitable stabilizer to at least reduce the wiggle of a scaffold.
Yet a further objective of the present invention is the provision of a clip assembly to at least reduce the shake of a scaffold.
Also an objective of the present invention is the provision of a suitable stabilizer to at least reduce the sway of a scaffold.
Another objective of the present invention is the provision of a stabilizer, which is easily attached to a scaffold.
Yet another objective of the present invention is the provision of a stabilizer, which is easily removed from a scaffold.
Still another objective of the present invention is the provision of a stabilizer, which improves the safety of a scaffold.
These and other objectives of the invention (which other objectives become clear by consideration of the specification, claims and drawings as a whole) are met by providing a scaffold stabilizer, which reduces instability of a scaffold, especially a scaffold used inside.
Throughout the figures of the drawings, where the same part appears in more than one figure of the drawings, the same number is applied thereto.
Reference will now be made in detail to several embodiments of the invention that are illustrated in accompanying drawings. Whenever possible, the same or similar reference numerals are used in the drawings and the description to refer to the same or like parts or steps. The drawings are in simplified form and are not to precise scale. For purposes of convenience and clarity only, directional terms such as top, bottom, left, right, up, over, above, below, beneath, rear, and front, may be used with respect to the drawings. These and similar to directional terms are not to be construed to limit the scope of the invention in any manner. The words attach, connect, couple, and similar terms with their inflectional morphemes do not necessarily denote direct or intermediate connections, but may also include connections through mediate elements or devices.
For purposes of convenience and clarity only, directional terms such as proximal, distal, ventral, and dorsal, may be used with respect to the drawings. The terms “proximal” and “distal” refers to the anatomical definition indicating the regions nearer and further, respectively, to the center of the body or the point of attachment, specifically referring to the length of the handle assembly. The terms “ventral” and “dorsal” refers to the anatomical definition indicating the underside and upper side of the invention.
To a standard scaffold may be added a stabilizer. The stabilizer has a support bar connected to opposing upright posts of the scaffold by a C-shaped coupler suitably securable to both the upright post and the support bar. With at least one stabilizer added to opposing upright posts of the scaffold, the scaffold becomes more stable. This invention works to eliminate the instability from the scaffold when erected as a single piece or as multiple pieces stacked on top of each other.
Thus, the scaffold becomes much safer to use. Swaying and rocking of the scaffold is greatly reduced. It also is much easier and safer to climb up and down the scaffold.
This invention is especially useful in providing improved stability for a typical interior style baker scaffold, painters scaffold, and the like. The stabilizer is especially effective on a scaffold typically used in homes or buildings and utilized largely by various trades. This stabilizer will adapt to the typical scaffold frame, mentioned above, and works to at least substantially reduce, if not eliminate the wobble, wiggle, shake and sway from the scaffold when it is erected as a single platform support or as multiple platform support in a stacked arrangement for additional height.
The stabilizer has two initial bars and three engineered C-shaped couplers. These couplers are secured to the scaffold frame by pins. A pin rod (aka the first coupler pin and/or larger pin) slides through one end of the coupler, then the frame's leg, and finally out through the other end of the coupler. This first coupler pin is then secured by a smaller second coupler pin, sometimes referred to as a cotter pin or R-clip. Located on the remaining side of the C-shaped coupler is a stationary bolt or pin, which extends from the surface of the coupler, called a mounting rod. This mounting rod allows for one end of the stabilizer bar to securely slide over the stationary bolt or pin and through the pre-drilled concentric apertures in the end of the stabilizer bar. These bars again will be secured by a first mounting pin that is optionally secured by a smaller, second mounting pin in some embodiments.
The at least two bars and the at least three couplers stabilize the scaffold. While it is not desired to bound by any particular theory, it is believed that triangulation created by the bars and couplers with the scaffold greatly reduce the sway and other scaffold problems.
Two of the couplers are secured to the lower portion of the scaffold legs while the third is attached towards the top of the opposite leg. The first stabilizer bar connects the legs at the bottom using two bottom couplers together creating the lower horizontal portion of the stabilizer. The second stabilizer bar connects from the bottom of the frame's leg that only has one coupler and reaches diagonally across to the opposite leg hosting the upper coupler. After the second stabilizer bar is attached using the C-shaped coupler and cotter pin, this combination completes the stabilizer and effectively at least reduces the sway or movement which is normally associated with these indoor scaffolds.
Referring now to
The first vertical bar 114 and the second vertical bar 116 usually have a square cross-section and a series of adjustment apertures 122 in each side thereof to permit securing of the first platform support bar 124 and second platform support bar 126 therebetween in the parallel fashion to receive a platform 130 on which a person 108 may stand. Likewise a first platform support bar 124 and second platform support bar 126 are substantially and mutually parallel.
Also each of the first vertical bar 114 and the second vertical bar 116 usually have a usually a lockable castor wheel 140 secured to an end thereof, in contact with a floor, substantially level ground or other substantially level surface. The lockable castor wheel 140 facilitates moving of the scaffold 110 short distances.
The first platform support bar 124 and second platform support bar 126 secure a first assembly section 112 to a second assembly section 112 thereby forming a base on which a platform 130 may be placed. Braces 132 connect first platform support bar 124 and second platform support bar 126 to the respective first assembly section 112 to a second assembly section 112. The adjustment apertures 122 (
Referring now to
For stabilizer 100 of this invention when mounted on a first vertical bar 114 and the second vertical bar 116 of a scaffold 110, stability of the scaffold 110 is achieved. Support bar 220 and couplers 180 combine with cotter pins 196, first mounting pins 197, and pin rods 198 of the stabilizer 100 and work with adjustment apertures 122 to give additional stability to the scaffold 120.
Support bar 220 is of sufficient length to connect the first assembly section 112 to the second assembly section 112 at an angle thereto or perpendicular thereto as desired. So first bar end 222 and second bar end 224 are connected to separate C-shaped couplers 180, mounted on separate vertical bars 114 or 116 of a separate assembly section 112. Thus, the sway and other undesired movement of the scaffold 110 is reduced by stabilizer 100, making the scaffold 110 much safer to use. It is also easy to attach or remove the stabilizer 100 from the scaffold 110.
Adding
First arm aperture 190 and second arm aperture 192 align with adjustment apertures 122 to receive a pin rod 198 to complete stabilizer 100. So one version of stabilizer 100 may include two C-shaped couplers 180, a support bar 220, the pin rod 198 and appropriate fasteners.
Extending from the flat base 184 and oppositely disposed from first arm 186 and second arm 188 is a mounting rod 200. Within a mounting rod 200 is a pin receiving aperture 202 for the purpose of securing the C-shaped coupler 180 to support bar 220 as desired.
Adding
As a holding coupler 180 is secured, support bar 220 receives mounting rod 200 through first bar end 222 and second bar end 224 at first bar end concentric apertures 230 and second bar end concentric apertures 232 respectively. Pin receiving aperture 202 receives a first mounting pin 197 and releasably secures first bar end 222 and second bar end 224 on their respective mounting rods 200.
Referring now to
The scaffold 110 of
Both perpendicular support bar 248 and one angle support bar 250 have a fastening device 252 cooperating with each of first support end 254 and oppositely disposed second support end 256 to secure the same to opposing vertical bars 114 or 116. Perpendicular support bar 248 is substantially perpendicular to the opposing vertical bars 114 or 116. Angle support bar 250 an angle with the opposing vertical bars 114 and 116. Such triangulation provides for stability.
This application—taken as a whole with the abstract, specification, claims, and drawings—provides sufficient information for a person having ordinary skill in the art to practice the invention disclosed and claimed herein. Any measures necessary to practice this invention are well within the skill of a person having ordinary skill in this art after that person has made a careful study of this disclosure.
Because of this disclosure and solely because of this disclosure, modification of this tool can become clear to a person having ordinary skill in this particular art. Such modifications are clearly covered by this disclosure.
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