Supports: racks – Special article – Stacked articles
Reexamination Certificate
1998-12-09
2001-04-03
Chin-Shue, Alvin (Department: 3634)
Supports: racks
Special article
Stacked articles
Reexamination Certificate
active
06209731
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to merchandising devices for soft drink bottles, and particularly to a gravity feed bottle dispensing device in which soft drink bottles are suspended by their neck flanges and carried forward by gravity on an inclined track.
Gravity feed bottle dispensers of the suspension type have been used in the merchandising of soft drink bottles such as PET bottles having outwardly projecting annular neck flanges. These dispensers have an elongate track having a pair of parallel rails extending along the track. The necks of flanged bottles are received between the track rails so that the bottles are engaged at their neck flanges with the rails and thus suspended by their necks. The bottles are automatically arranged in a row along the track as they are received in the track. The track is normally inclined downwardly toward its front end and thus the suspended bottles are allowed to gravity feed one after another to the front end as the leading or foremost bottles in the row are removed successively from the track through the front end. A length of the track adjacent to the front end is upturned relative to the remainder of the track to stop each leading bottle at the front end and to thereby present it for removal from the track. Conventional gravity feed bottle dispensers of the type described above are disclosed, for example, in U.S. Pat. Nos. 4,318,485; 4,367,818; and 4,401,221 which are owned by the assignee of the present invention.
While such conventional dispensers have experienced considerable success, they are not without disadvantages. When stopped at the front end, the leading bottle on the track is subject to pressure of the other bottles behind it and is thereby pushed forward. This causes the leading bottle to be tilted with respect to the vertical while it is presented for removal by customers. This can detract from the appearance of the displayed bottles particularly when two or more tracks are arranged side by side and the respective leading bottles on adjacent tracks are tilted at different angles.
What is needed, therefore, is an improved gravity feed bottle dispensing device which maintains the leading bottles substantially vertical.
SUMMARY OF THE INVENTION
In meeting the foregoing needs, the present invention provides a merchandising device for neck-flanged bottles. The device includes an elongate track which defines a longitudinally extending pathway, a support assembly for the track, and a stopper provided at the front end of the track. The track supports a row of flanged bottles such that the bottles are suspended by their neck flanges for movement along the pathway and are removable from the pathway through the front end of the track. The support assembly supports the track in a tilted condition such that the track is inclined downwardly toward its front end whereby the suspended bottles are allowed to gravity feed toward the front end when the leading bottle in the row is removed from the track. The stopper engages with the leading bottle to prevent its accidental removal through the front end. To improve the above basic arrangements, the device of the invention comprises a gate mechanism for blocking the pathway at a position between the front and rear ends of the track. The mechanism is activated to block the pathway when the leading bottle in the row engages the stopper so that forward movement of the other bottles behind the leading bottle is blocked. This allows the leading bottle to be free of pressure of the other bottles and to be disposed substantially vertical when stopped at the front end of the track.
The gate mechanism may be connected to the track to cooperate with the leading bottle so that it is activated to block the pathway in response to arrival of the leading bottle at the front end of the track and deactivated to unblock the pathway in response to removal of the leading bottle from the front end. Such a gate mechanism may include a seesaw arm having a forward end adjacent to the front end of the track and extending along the pathway to a backward end. The seesaw arm is pivotally connected at its intermediate position to the track for pivotal movement between an activated position and a deactivated position. When in the activated position, the arm allows its backward end to be in the pathway and the forward end to be out of the pathway whereas in the deactivated position, the arm causes the forward end to be in the pathway. As a result, when the leading bottle is brought to the front end, the forward end of the arm is thrust aside by the leading bottle so that the arm is pivoted to the activated position.
According to a preferred embodiment of the invention, the merchandising device further comprises converting means for turning the gate mechanism inoperable so that the gate mechanism can be deactivated even when the leading bottle is at the front end of the track. This arrangement enables successive front loading of the bottles. One preferred form of such converting means is an arrangement wherein the pivot of the seesaw arm is connected to the track for substantially linear reciprocal movement between an operable position and an inoperable position. In the operable position, the pivot allows the arm to move between the activated and deactivated positions whereas in the inoperable position, the pivot allows both the forward and backward ends of the arm to be outside the pathway at the same time.
Another preferred form of the converting means is an arrangement wherein the seesaw arm has two portions, i.e., a front element which provides the forward end and a rear element which provides the backward end. The front element is pivotally connected to the track so that the arm is pivotable between the activated and deactivated positions. The rear element is connected to the front element for locking the rear element against forward pivotal movement beyond a limit relative to the front element while permitting backward pivotal movement relative to the front element. Such backward movement brings the rear element to the position out of the pathway even when the forward end of the arm is disposed out of the pathway.
The present invention also provides a gravity feed bottle dispensing device wherein the length of the track is adjustable either to a longer size or to a shorter size. The device in this aspect of the invention has a track comprising a front elongate member, a rear elongate extension member and a connector for separably interconnecting the front and rear members in an end-to-end relationship. The connector has a cross-sectional configuration adaptable for telescopingly receiving both the backward end portion of the front member and the forward end portion of the rear member so as to allow the front and rear members to define a single continuous pathway of the bottles.
The invention further provides a bottle dispensing device which can eliminate the situation in which the support rails of the track are mistakenly received between a bottle cap and the adjacent neck flange. Such a mistake can be made during the bottle loading process particularly when there is a substantial gap between the cap and the flange of each bottle. Such a mistake would result in damage to the bottle cap, which in turn would cause the bottle to fall off of the track. The merchandising device in this aspect of the invention comprises a track having a pair of parallel longitudinally extending rails for hanging bottles by their neck flanges, and a rail-thickening means fixedly disposed on each rail at adjacent to at least one of the front and rear ends of the track. The thickening means increases the vertical size of at least a part of each rail whereby the above discussed mistake or problem can be eliminated. The thickening means may be secured to either the upper surfaces or the lower surfaces of the rails, or it may be formed integrally with the rails.
The present invention further provides a merchandising device which facilitates adjustment of the inclination of the track. The device according to this aspect of t
Parham Dennis E.
Spamer William S.
Suttles J. Marshall
Whiten James Douglas
Chin-Shue Alvin
Display Industries LLC
James John L.
Purol Sarah
Suzuki Tsugihiko
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