A ladder bridge apparatus for use in connecting two ladder sections is disclosed herein. The ladder bridge apparatus, in its simplest form, includes an adjustable center stabilizer bar connecting outer rail bridge assemblies. The rail bridge assemblies are directly connected to the adjacent ladder sections. The ladder bridge apparatus can be utilized in conjunction …

Legal parties

Inventors (applicants): Berle G. Blehm
Agents: William Bodnar (attorney)

The application was examined by James R Bidwell (USPTO dept. 3651)


  • 1. A ladder bridging apparatus comprising: …
  • 2. The ladder bridging apparatus of claim 1 further including: …
  • 3. The ladder bridging apparatus of claim 2 wherein the center stabilization bar includes at least …

Cited documents


  • Spinelli US 2006/0278473 A1 / 182/196, Dec. 1, 2006
  • Bakewell, III US 5323573 A / 52/86, Jun. 1, 1994
  • Saby et al. US 4907675 A / 182/178.5, Mar. 1, 1990
  • Krause US 5901810 A / 182/178.5, May. 1, 1999
  • Darling US 3970170 A / 182/230, Jul. 1, 1976
  • Shortes et al. US 4086980 A / 182/151, May. 1, 1978
  • Messenburg US 2010/0154351 A1 / 52/745.17, Jun. 1, 2010
  • Hughes US 4060150 A / 182/151, Nov. 1, 1977
  • Yang US 2008/0302630 A1 / 193/41, Dec. 1, 2008
  • Salice US 8468652 B2 / 16/82, Jun. 1, 2013


Brief Description of Drawings

The character of the embodiments of the invention may be best understood by reference to the structural form, as illustrated by the accompanying drawings. FIG. 1 illustrates a perspective view …


Field of the Invention

Embodiments of the present invention present an apparatus for attaching sections of ladders together to provide a mechanism for transporting materials up a first ladder section (in one application) …

Detailed Description of the Preferred Embodiments

Referring to FIGS. 1-5 , which show the general features of a preferred embodiment of the invention, the ladder bridge apparatus 10 contains an adjustable center stabilizer section/bar 20 connecting …

Conclusions, Other Embodiments, and Scope of Invention

The ladder bridge apparatus disclosed herein presents a novel device that can be utilized to connect two ladder sections to transport materials across. Typically the first ladder section will be located …

More details about Ladder Bridge Apparatus

Miscellaneous patent data

Developed by Berle G. Blehm, the application number is 13/940,560 (U.S.), the inventor's city is Oroville, state - CA, the published inventor's name is Blehm Berle G., the applicant's city - Oroville, state - CA, the published applicant's name is Blehm Berle G., 11 claims comprise the protection scope, similar documents are classified under Vehicle wall supported, Flexible wall, Stack holders or separators, the layers being transferred as a whole, e.g. on pallets, Flexible, means for presenting articles for removal at predetermined position or level, Apparatus for lifting and tilting, Valved, Rails or the like engaging sliding elements or rollers attached to load-carriers or traction elements, Centering and clamps (guides, generally), the application publication date is Jul. 12, 2013, the claim number 1 is selected as exemplary, the invention is named Ladder Bridge Apparatus, the grant number is 08651259 (publication number), the examination was conducted by James R Bidwell (3651 USPTO department), includes the following drawings: Ladder Bridge Apparatus, side view of ladder bridge, perspective view of the ladder, perspective close-up view of components, particularly claims a ladder bridging apparatus comprising…, the agent's name is Bodnar William, the primary classification Skids has been designated to the document, the grant date is Feb. 18, 2014 (publication date), 8 figures are supplied with the description, the patent is illustrated by 6 drawings.

Invention classification information

The invention is classified under Pivotally Connected Ladders, Mutually Sustaining, Chutes, Male and female connecting means, Skids. The designated search classifications include Central upright ladder section supported therebetween, Male and female connecting means, Male and female connecting means, Skids, Miscellaneous, Pivotally Connected Ladders, Mutually Sustaining.

Patent details
Publication number 08651259
Publication date Feb. 18, 2014
Kind code B1
Application number 13/940,560
Application date Jul. 12, 2013
Application type U
Application series code 13
National classification 193/41
Total number of claims 11
Exemplary claims 1
Number of drawings 6
Number of figures 8
More similar inventions

Loading Device (US08701856, April 22, 2014 / 13/377,059, Oct. 8, 2010, Horizontal and vertical swing), Shin Tomisaki / Nippon Steel Engineering Co., Ltd. (Tokyo, JP)

Stair Climbing System (US08602196, Dec. 10, 2013 / 12/801,879, June 28, 2010, Rollerways), Rakesh A. Patel

Composite Chute Liners (US08485336, July 16, 2013 / 12/789,272, May 27, 2010, Wall), Gregory George Tenold et al. / Spokane Industries (Spokane, US)

Also viewed with this patent

Shaft Positioning Device (US08640848, Feb. 4, 2014 / 13/664,184, Oct. 30, 2012, Rollers), Bing-Huai Zhang / Primax Electronics Ltd. (Neihu, TW)

Inflatable Liner Systems (US08616358, Dec. 31, 2013 / 13/010,418, Jan. 20, 2011, Balloon or inflatable members), Jerry F. Hofberger et al. / Corrosion Engineering, Inc. (Mesa, US)

Conveying Device for Powdery And/Or Granulated Material (US08622187, Jan. 7, 2014 / 13/428,590, March 23, 2012, Vertically adjustable, bodily), Herbert Ungerechts et al. / Bayer MaterialScience AG (Leverkusen, DE)

New documents
  • Process for the Production of the Actinobacillus Pleuropneumoniae Toxins APXI or APXIII in a Liquid Culture Medium Under Supply of Air Enriched in Carbon Dioxide
  • Method for Manufacturing Nonvolatile Memory Device
  • Supply Chain Demand Satisfaction
  • Supply-Line Management Device
  • Storage Control Device and Method for Managing Snapshot