Balanced cabinet door lift
First Claim
1. A self service display cabinet having a rectangular body including means defining an access opening extending through one vertical side and a part of the top wall adjacent thereto,a transparent L-shaped closure unit for the opening pivotally mounted proximate to the edge of the opening on the top wall for opening and closing movement about a horizontal axis,elongated lever arm means rigidly carried by the closure unit and extending horizontally under the remaining portion of the top wall and disposed normal to, but below, the level of said axis when said unit is closed,resilient means comprising tension springs interconnecting the inner end of the lever arm means and the sides of the cabinet adjacent to the opening portion in the front wall at a position proximate to the level of said inner end in its closed position but above the level of said inner end to resiliently support the cover as a unit when the cover is in an intermediate partially open position, wherein said top wall rigidly supports the sides and back wall, and the bottom of the cabinet is open, andmanual means on said closure unit for manually actuating said closure unit.
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0 Petitions
Accused Products
Abstract
A gravity closed, spring-biased, door control and hinge configuration located near the center of the top of a display cabinet wherein a spring attached to a lever extending from an L-shaped door is placed under tension when the door is moved to close a combined side-and-top dispensing opening.
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Citations
3 Claims
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1. A self service display cabinet having a rectangular body including means defining an access opening extending through one vertical side and a part of the top wall adjacent thereto,
a transparent L-shaped closure unit for the opening pivotally mounted proximate to the edge of the opening on the top wall for opening and closing movement about a horizontal axis, elongated lever arm means rigidly carried by the closure unit and extending horizontally under the remaining portion of the top wall and disposed normal to, but below, the level of said axis when said unit is closed, resilient means comprising tension springs interconnecting the inner end of the lever arm means and the sides of the cabinet adjacent to the opening portion in the front wall at a position proximate to the level of said inner end in its closed position but above the level of said inner end to resiliently support the cover as a unit when the cover is in an intermediate partially open position, wherein said top wall rigidly supports the sides and back wall, and the bottom of the cabinet is open, and manual means on said closure unit for manually actuating said closure unit.
Specification
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- Resources
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Current AssigneeSeco Products Corp. (Ali Holding Srl)
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Original AssigneeBastian Blessing Co., Inc.
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InventorsPlattner, Robert F.
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Primary Examiner(s)Sakran, Victor N.
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Application NumberUS05/870,445Time in Patent Office601 DaysField of Search312/333, 312/319, 312/271, 312/284, 312/290, 312/208, 312/138 R, 217/60 R, 16/1 R, 16/49US Class Current312/290CPC Class CodesE05F 1/1075 for counterbalancingE05Y 2900/204 for display counters, e.g. ...
