Firewood racks

Details Firewood racks Firewood racks

1999-10-22

2001-09-18

Gibson, Jr., Robert W. (Department: 3634)

Supports: racks

Special article

Article includes elongated portion

C211S189000, C211S175000, C211S182000, C248S165000

Reexamination Certificate

active

06290073

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to material holding racks. More specifically, the invention is a load supporting, modular, platform structure for firewood, which rack can be disassembled and reassembled without tools for two different load capacities.
2. Description of the Related Art
There is a need for a size convertible takedown firewood rack which can be conveniently sized for a one-fourth (32 cu. ft.) or a one-half cord (64 cu. ft.) load and require no tools for assembling or disassembling for either storage or changing the capacity.
The related art of interest describes various racks, but none discloses the toolless assembly and disassembly feature of the present invention. The art will be discussed in the order of perceived relevance to the present invention.
U.S. Pat. No. 2,833,421 issued on May 6, 1958, to Leroy F. Skubic describes a stacking rack capable of being several tiers high and having an infinite lateral length by assembling I frames and L frames made from rectangular metal construction. The I frame as the backbone of the rack comprises two vertical support posts which have two welded on cross arms and feet. The L frame is the lateral building block comprising a pair of horizontal load bearing bars and a pair of vertical load bearing legs which are joined by cross arms. Two L frames are arranged to flank an I frame by hooking a fixed ear or tang of a horizontal bar into a fixed C-shaped strap on a vertical post. Each post may have a metal cap. Planks for shelves or pallets are then placed across the horizontal bars. The stacking rack is distinguishable for neither suggesting nor teaching positively that both end posts can be taller than the central L frame posts.
U.S. Pat. No. 4,333,574 issued on Jun. 8, 1982, to R. Steven Christy, Sr. describes an outdoor wood rack having a hipped roof. The base frame, the two side frames and the hipped roof are bolted together. The rack can be made from wood (preferred), plastic or metal. The outdoor wood rack is distinguishable for its hipped roof and bolted structure.
U.S. Pat. No. 2,801,752 issued on Aug. 6, 1957, to Richard S. Jakubowski describes a modular metal stacking unit comprising four corner posts (square tubular) welded together to two end panels with longitudinal flanges, two inverted longitudinal floor channels, and truncated pyramidal caps on each post. The units are stacked to form a column and two separated columns can support bar stock. The stacking units are distinguishable for their welded structure.
U.S. Pat. No. 3,021,011 issued on Feb. 13, 1962, to Vern N. Visneski describes a firewood rack comprising two U-shaped tubular metal posts bolted down on a rectangular pan supported by a caster wheel assembly. The mobile rack is distinguishable for its rolling pan and fixed structure.
U.S. Pat. No. 5,743,413 issued on Apr. 28, 1998, to Ronald C. Noll describes an expandable shelf kit/log holder utilizing 2×4 lumber as base, tier and post members fastened by bolts and hexagonal nuts to universal brackets. Two inverted U-shaped metal tubes and tubular base member tubes can also be used. The log holder is distinguishable for its requirement for universal brackets and fasteners.
U.S. Pat. No. 2,246,441 issued on Jun. 17, 1941, to Newll G. Hurlbut describes a sectional support for floral displays comprising tubular stock made into an arch supported by two vertical posts, each having a plurality of spikes for hanging floral displays, a pivoting gate and four ground stabilizing bars which pivot up for storage. The sectional support is distinguishable for its specific purpose and structure.
G.B. Patent No. 183,985 issued on Aug. 10, 1922, to Arthur F. Jefferies describes a scaffold comprising upright steel pipes which can be tubular or have a crossed cross-section joined with horizontal channel steel by 4-way slotted cross piece connectors on the upright pipes and tapered keys on the ends of the horizontal channels. Bolted on collars on the upright pipes support the cross piece connectors. The scaffolding structure is distinguishable for its fixed structure and keyed connections.
None of the above inventions and patents, taken either singularly or in combination, is seen to describe the instant invention as claimed. Thus, firewood racks readily taken down when not in use or for changing its load capacity is desired.
SUMMARY OF THE INVENTION
The invention is a takedown firewood rack capable of doubling its load capacity, and made up of a pair of upright rack end elements, each element including a parallel pair of upright tubular posts with a square cross-section, joined by two short horizontal, square stock tubular crossbars, positioned proximate the top portion and the bottom portion. There is a socket positioned on each inside surface of each upright tubular post proximate the bottom portion, and a first pair of extended, square stock horizontal tubular crossbars having end plates positioned vertically downward at each end, frictionally fitting in each socket to join the pair of upright rack end elements.
Accordingly, it is a principal object of the invention to provide a takedown firewood rack with two different load capacities which require no tools for assembly or disassembly.
It is another object of the invention to provide a takedown firewood rack with a capacity of one-fourth cord capability.
It is a further object of the invention to provide a takedown firewood rack with a capacity of one-half cord capability.
Still another object of the invention is to provide a takedown firewood rack with an insert to double the capacity of the one-fourth cord holding rack.
It is an object of the invention to provide improved elements and arrangements thereof for the purposes described which is inexpensive, dependable and fully effective in accomplishing its intended purposes.
These and other objects of the present invention will become readily apparent upon further review of the following specification and drawings.


REFERENCES:
patent: D. 243504 (1977-03-01), Morrison
patent: D. 289080 (1987-03-01), Einsel
patent: D. 362945 (1995-10-01), Glinski
patent: 1473817 (1923-11-01), Gorsline
patent: 2246441 (1941-06-01), Hurlbut
patent: 2801752 (1957-08-01), Jakubowski
patent: 2833421 (1958-05-01), Skubic
patent: 2962170 (1960-11-01), Best
patent: 2984363 (1961-05-01), Lang et al.
patent: 3021011 (1962-02-01), Visneski
patent: 3164260 (1965-01-01), Seemann
patent: 3187901 (1965-06-01), Wilson
patent: 3724678 (1973-04-01), Challier
patent: 4039264 (1977-08-01), Sharp
patent: 4333574 (1982-06-01), Christy, Sr.
patent: 5743413 (1998-04-01), Noll
patent: 5820092 (1998-10-01), Thaler
patent: 6123209 (2000-09-01), Tseng
patent: 183985 (1922-08-01), None

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