Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder
Reexamination Certificate
2000-07-18
2002-04-30
Lev, Bruce A. (Department: 3634)
Fire escape, ladder, or scaffold
Wall- or floor-attached
Ladder
C182S088000, C182S127000, C182S194000, C280S166000
Reexamination Certificate
active
06378654
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field Of The Invention
The present invention deals with the field of devices for providing access vertically up along walls such as particular the side walls of an emergency vehicle. Emergency vehicles commonly have vertically extending ladders on the sides or back portions thereof to facilitate access to the heavy equipment normally stored above the emergency vehicle itself. Climbing such vertical ladders is difficult especially when fully clothed in an emergency outfit such as a fireman's outfit or an emergency medical technician's outfit. Also once the heavy material stored on the upper portions of the emergency vehicle is retrieved these devices must be carried downwardly by the fireman or emergency personnel which is much more difficult on a vertically extending ladder and is much more comfortable and can be accomplished much faster on an inclined ladder. As such, the present invention provides a means for converting a vertically extending ladder to an inclined ladder particularly usable against the vertically extending surface of an emergency vehicle which can be easily moved to a position of deployment as well as easily moved to a position of storage for transport.
2. Description Of The Prior Art
Numerous prior art devices have been utilized for the purpose of providing access vertically along walls or vertically extending side walls of vehicles for emergency personnel and in other applications such as U.S. Pat. No. 1,205,684 patented Nov. 21, 1916 to W. S. Tothill on a “Supporting Means For Inclined Ladders”; and U.S. Pat. No. 2,794,583 patented Jun. 4, 1957 to W. Ernst and assigned to The Commonwealth Engineering Company of Ohio on a “Press Ladder Construction”; and U.S. Pat. No. 2,840,290 patented Jun. 24, 1958 to J. F. Roberts and assigned to Eric Ladd on “Telescopic Ladders”; and U.S. Pat. No. 3,480,107 patented Nov. 25, 1969 to J. B. Goodhue on a “Climbing Apparatus Adapted For Installation On Piers And The Like”; and U.S. Pat. No. 3,545,567 patented Dec. 8, 1970 to C. A. Dohrman on “Retractable Folding Steps”; and U.S. Pat. No. 3,563,342 patented Feb. 16, 1971 to E. Lasiter on a “Truck Ladder”; and U.S. Pat. No. 4,008,838 patented Feb. 22, 1977 to R. R. Correll on a “Ladder Rack”; and U.S. Pat. No. 4,067,588 patented Jan. 10, 1978 to M. Morge et al and assigned to Caterpillar Tractor Co. on a “Ladder Assembly For Construction Vehicles”; and U.S. Pat. No. 4,079,815 patented Mar. 21, 1978 to J. J. Cormier on an “Extensible Step Assembly”; and U.S. Pat. No. 4,139,078 patented Feb. 13, 1979 to J. R. Keller on a “Ladder Assembly”; and U.S. Pat. No. 4,151,895 patented May 1, 1979 to F. Rasada, Jr. et al on a “Recreational Vehicle Ladder”; and U.S. Pat. No. 4,161,997 patented Jul. 24, 1979 to T. W. Norman on a “Self-Storing Step Structure For Vehicular Mounting”; and U.S. Pat. No. 4,170,331 patented Oct. 9, 1979 to E. W. Faulstich on a “Vehicle Ladder Rack”; and U.S. Pat. No. 4,243,120 patented Jan. 6, 1981 to D. Pratt, Jr. et al and assigned to Harnischfeger Corporation on a “Retractable Boarding Ladder”; and U.S. Pat. No. 4,245,716 patented Jan. 20, 1981 to J. F. Rayfield and assigned to Sperry Corporation on a “Vehicle Access Ladder”; and U.S. Pat. No. 4,249,683 patented Feb. 10, 1981 to J. R. Park on a “Combination Ladder And Spare Tire Carrier”; and U.S. Pat. No. 4,262,834 patented Apr. 21, 1981 to W. H. Nutt and assigned to Teledyne Canada, Limited on a “Ladder Rack”; and U.S. Pat. No. 4,365,689 patented to F. Dever on Dec. 28, 1982 on a “Tilting Marine Ladder”; and U.S. Pat. No. 4,390,117 patented Jun. 28, 1983 to M. W. Fagan on a “Ladder Rack For Vehicle”; and U.S. Pat. No. 4,408,680 patented Oct. 11, 1983 to D. O. Ross on a “Ladder Support Assembly”; and U.S. Pat. No. 4,431,082 patented Feb. 14, 1984 to J. A. Bott on a “Vehicle Ladder”; and U.S. Pat. No. 4,492,286 patented Jan. 8, 1985 to D. H. Lemire on a “Truck Mounted Ladder Assembly”; and U.S. Pat. No. 4,537,283 patented Aug. 27, 1985 to A. F. Humes on a “Ladder Assembly”; and U.S. Pat. No. 4,556,125 patented Dec. 3, 1985 to R. J. Johnson on a “Method Of Installing A Pivotal Ladder To A Vehicle”; and U.S. Pat. No. 4,618,083 patented Oct. 21, 1986 to K. F. Weger, Jr. and assigned to Knaack Mfg. Co. on a “Ladder Clamping Device For Vehicle Rack”; and U.S. Pat. No. 4,724,925 patented Feb. 16, 1988 to R. G. Ritten and assigned to Step-On Inc. on “Boat Boarding Ladders”; and U.S. Pat. No. 4,813,585 patented Mar. 21, 1989 to W. H. Nutt and assigned to Teledyne Canada Limited on a “Ladder Rack”; and U.S. Pat. No. 4,858,725 patented Aug. 22, 1989 to L. H. Griffin on a “Ladder Brace”; and U.S. Pat. No. 4,909,352 patented Mar. 20, 1990 to K. McComb on a “Ladder Support System”; and U.S. Pat. No. 5,046,582 patented to L. N. Albrecht on Sep. 10, 1991 on a “Foldable Ladder Combination With Truck Cargo Carrier”; and U.S. Pat. No. 5,058,791 patented Oct. 22, 1991 to K. R. Henriquez et al and assigned to Slide-Out, Inc. on a “Vehicular Ladder Rack”; and U.S. Pat. No. 5,064,022 patented Nov. 12, 1991 to G. W. Graham and assigned to Marrowbone Development Company on a “Ladder Apparatus And Method For Large Mobile Equipment”; and U.S. Pat. No. 5,172,952 patented Dec. 22, 1992 to R. Lasnetski on an “Overhead Storage Rack For Storing Ladders Or The Like”; and U.S. Pat. No. 5,174,411 patented Dec. 29, 1992 to D. P. Oliver et al and assigned to Abru Aluminum Limited on “Ladder Improvements”; and U.S. Pat. No. 5,186,588 patented Feb. 16, 1993 to C. W. Sutton et al on a “Ladder Rack Ladder Latch”; and U.S. Pat. No. 5,228,707 patented Jul. 20, 1993 to C. T. Yoder and assigned to Carriage, Inc. on a “Retractable Vehicle Step”; and U.S. Pat. No. 5,255,757 patented Oct. 26, 1993 to M. Horowitz et al and assigned to Martin Horowitz on a “Collapsible Ladder”; and U.S. Pat. No. 5,297,912 patented Mar. 29, 1994 to A. Y. Levi and assigned to JAJ Products, Inc. on a “Ladder Rack For Motor Vehicles”; and U.S. Pat. No. 5,366,052 patented Nov. 22, 1994 to J. Lin on a “Reversible Folding Ladder”; and U.S. Pat. No. 5,398,778 patented Mar. 21, 1995 to R. Sexton on a “Ladder Rack Securing And Release System”; and U.S. Pat. No. 5,469,933 patented Nov. 28, 1995 to J. Thomason on a “Vehicle Mounted Ladder”; and U.S. Pat. No. 5,518,357 patented May 21, 1996 to T. Ziaylek, Jr. et al and assigned to Theodore Ziaylek, Jr. and Michael P. Ziaylek on a “Retaining And Retrieval Apparatus For Storage Of A Ladder Upon A Vehicle Shelf Area”; and U.S. Pat. No. 5,538,100 patented Jul. 23, 1996 to R. I. Hedley on an “Access Device”; and U.S. Pat. No. 5,632,591 patented May 27, 1997 to K. R. Henriquez on a “Ladder Storage And Transport Device”; and U.S. Pat. No. 5,687,813 patented Nov. 18, 1997 to C. J. Bensch and assigned to The U.S. of America as represented by the Secretary of the Army on a “Vehicle Boarding Device”; and U.S. Pat. No. 5,743,702 patented Apr. 28, 1998 to M. J. Gunderson on a “Method And Apparatus For A Vehicle Mounted Hoisting System”; and U.S. Pat. No. 5,850,891 patented Dec. 22, 1998 to J. J. Olms et al and assigned to Trimble Navigation Limited on a “Motorized Rack System”; and U.S. Pat. No. 5,878,836 patented Mar. 9, 1999 to I Huang on a “Structure Of An Escaping Device”; and U.S. Pat. No. 5,918,488 patented Jul. 6, 1999 to D. L. Deeter on a “Ladder Lock”; and U.S. Pat. No. 5,967,257 patented Oct. 19, 1999 to R. O. Begin et al on a “Folding Escape/Rescue Ladder”; and U.S. Pat. No. 5,988,316 patented Nov. 23, 1999 to R. I. Hedley and assigned to Justoy Pty Ltd. on an “Access Device”; and U.S. Pat. No. 6,003,633 patented Dec. 21, 1999 to R. G. Rolson and assigned to Robert G. Rolson on a “Portable Truck or Trailer Ladder Assembly”; and U.S. Pat. No. 6,012,545 patented Jan. 11, 2000 to E. Faleide on a “Foldable Vehicle Ladder System”; and U.S. Pat. No. 6,029,775 patented Feb. 29, 2000 to R. I. Hedley et al and assigned to Justoy Pty Ltd. on an “Access Device”.
SUMMARY OF THE INVENTION
The present invention provides a ladder pivotally attached to a generally vertically extending surface which is designed t
Ziaylek Michael P.
Ziaylek Theodore P.
Ziaylek Jr. Theodore
Lev Bruce A.
Sperry, Zoda & Kane
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