Glass front merchandiser with invisible hinge and seals

• US 5,639,149 A
• Filed: 05/04/1993
• Issued: 06/17/1997
• Est. Priority Date: 05/04/1993
• Status: Expired due to Fees

• Current Assignee: Hussmann Corporation (Panasonic Holdings Corporation)
• Original Assignee: Hussmann Corporation (Panasonic Holdings Corporation)
• Inventors: Grassmuck, Michael D.
• Primary Examiner(s): Look, Edward K.
• Assistant Examiner(s): VERDIER, CHRISTOPHER M
• Application Number:
  US08/057,980
• Time in Patent Office: 1,505 Days
• Field of Search: 312/116, 312/138.1, 312/139, 312/319.2, 312/319.3, 49/40, 49/368, 49/371, 49/383, 49/386, 52/64, 52/69, 277/201, 277/202, 277/226
• US Class Current: 312/116
• CPC Class Codes: A47F 2003/008 with pivoting front glass panel
• CPC Class Codes: A47F 3/007 Cases or cabinets of the counter type
• CPC Class Codes: Y10S 277/921 Closure or weather strip seal

Abstract

A glass front merchandiser having a refrigerated cabinet with a product zone normally closed by a glass front panel having a hinging side margin, the glass front panel including an outer glass pane and a structural frame member secured adjacent to the peripheral edge thereof along its hinging side margin, a hinge directly connected to the structural frame member and being constructed and arranged for hinging movement of the glass front panel on the refrigerated cabinet to open up the product zone, the outer peripheral edge of the structural frame member overhanging the hinge in a closed sealing position of the glass front panel with the merchandiser cabinet, and other seals constructed and arranged along the side margins of the glass front panel.

Claims

1. A food merchandiser having a cabinet with a controlled temperature product zone normally closed by at least one glass front panel having a hinging side margin, said glass front panel including an outer glass pane having one peripheral edge along the hinging side margin and a structural frame member secured in inwardly spaced relation to the one peripheral edge of the glass pane along the hinging side margin thereof, and hinge means directly connecting the structural frame member to the cabinet and being constructed and arranged for hinging opening movement of the glass front panel to access the product zone, and said one peripheral edge being constructed and arranged to extend over and hide the hinge means when said glass front panel is in its closed position with the merchandiser cabinet, and sealing means constructed and arranged for sealing engagement along the one peripheral edge of the glass pane hinging side margin in the closed position of the glass front panel.

2. The merchandiser of claim 1, in which said hinge means comprises a hinge member having a support and attachment section for supporting engagement with the glass front panel and attachment to the structural frame member, and a hinge bracket member secured to the merchandiser cabinet and being constructed and arranged to translate the weight of the glass front panel to the cabinet when the panel is opened.

3. The merchandiser of claim 1, including masking means along the one peripheral edge of the glass front panel to obscure the hinge means.

4. The merchandiser of claim 3, in which said masking means is applied to said outer glass pane over the structural frame member.

5. The merchandiser of claim 1, in which said glass front panel further includes an inner glass pane secured in inwardly spaced relation with the outer glass pane by the structural frame member along the hinging side of the panel, said structural frame member extending beyond the edge of the inner glass pane, and said hinge means including a hinge member having a hinge plate section in surface supporting contact with the inner glass pane and having an adjacent section rigidly attached to the extended portion of the structural frame member.

6. The merchandiser of claim 5 which is of the refrigerated or heated deli-display type and has a cabinet top member for hingedly accommodating the hinging side margin of the glass front panel for vertical upward opening movement of the glass front panel on a horizontal hinge axis, and said hinge means comprises a hinge bracket member secured to the cabinet and providing the horizontal hinge axis for pivotally mounting the hinge member.

7. The merchandiser of claim 5 which is of the reach-in display type and has a vertical cabinet side member hingedly accommodating the hinging side margin of the glass front panel for horizontal side opening movement of the glass front panel on a vertical hinge axis, and said hinge means comprising a hinge bracket member secured to the cabinet and providing the vertical hinge axis for pivotally mounting the hinge member.

8. The merchandiser of claim 6, in which the glass front panel includes at least two separately hinged side-by-side sections with adjacent opposed inner side margins, and sealing means constructed and arranged on at least one of said inner side margins for sealing engagement with the other inner side margin in the closed position of said panel sections with the merchandiser cabinet.

9. The merchandiser of claim 8, in which said sealing means comprises a resilient seal member having a base for attachment along the panel side margin of the inner glass pane, and flexible hollow gasket means extending laterally outwardly from said base, said gasket means being constructed and arranged for bending movement and compression between the adjacent opposed inner side margins of the panel sections in the closed position thereof.

10. The merchandiser of claim 9, in which said resilient seal member is provided on each of the panel sections to normally extend toward each other and cooperatively form a dual seal in which the gasket means of one of said seal members will be disposed in compressed sealing relation between said opposed inner side margins and the gasket means of the other seal member will be contacted and compressed by the base of said one seal member.

11. The merchandiser of claim 9, in which said panel sections each have an outer side margin normally disposed opposite to an adjacent opposed surface of a cabinet wall, and said resilient seal member is also constructed and arranged for sealing engagement between the outer side margins of said panel sections and the adjacent opposed cabinet wall surfaces.

12. A glass panel assembly swingably mounted at one edge for opening and closing movement relative to the front of a merchandiser cabinet comprising:

a glass front panel having plural outer and inner glass panes disposed in side-by-side spaced relation and a structural frame sealably interposed between said glass panes to provide a sealed air space therebetween, said structural frame including a frame member disposed adjacent to the peripheral edges of said glass panes along said one edge of the assembly with a portion of said frame member extending outwardly beyond the peripheral edge of the inner glass pane,

hinge means directly connected to the extended portion of the metal frame member and being constructed and arranged for supporting said structural frame and glass panes for swinging movement relative to the merchandiser cabinet, and the outer glass pane having its peripheral edge extending outwardly beyond said metal frame member and hiding said hinge means therebehind.

13. The merchandiser of claim 12, in which said hinge means comprises a hinge member having a support and attachment section for attachment to the frame member, and a hinge bracket member secured to the merchandiser cabinet and being constructed and arranged to translate the weight of the glass front panel to the cabinet when the panel is opened.

14. The merchandiser of claim 12, including masking means along the one peripheral edge of the glass front panel to obscure the hinge means.

15. The merchandiser of claim 14, in which said masking means is applied to said outer glass pane over the structural frame member.

16. The merchandiser of claim 12, in which said inner glass pane is secured in inwardly spaced relation with the outer glass pane by the frame member along the hinging side thereof and said frame member extends beyond the edge of the inner glass pane, and said hinge means including a hinge member having a hinge plate section in surface supporting contact with the inner glass pane and having an adjacent section rigidly attached to the extended portion of the frame member.

17. The merchandiser of claim 16 which is of the refrigerated or heated deli-display type and has a cabinet top member for hingedly accommodating the hinging side margin of the glass front panel for vertical upward opening movement of the glass front panel on a horizontal hinge axis, and said hinge means comprises a hinge bracket member secured to the cabinet and providing the horizontal hinge axis for pivotally mounting the hinge member.

18. The merchandiser of claim 16 which is of the reach-in display type and has a vertical cabinet side member hingedly accommodating the hinging side margin of the glass front panel for horizontal side opening movement of the glass front panel on a vertical hinge axis, and said hinge means comprising a hinge bracket member secured to the cabinet and providing the vertical hinge axis for pivotally mounting the hinge member.

19. The merchandiser of claim 17, in which the glass front panel includes at least two separately hinged side-by-side sections with adjacent opposed inner side margins, and sealing means constructed and arranged on at least one of said inner side margins for sealing engagement with the other inner side margin in the closed position of said panel sections with the merchandiser cabinet.

20. The merchandiser of claim 19, in which said sealing means comprises a resilient seal member having a base for attachment along the panel side margin of the inner glass pane, and flexible hollow gasket means extending laterally outwardly from said base, said gasket means being constructed and arranged for bending movement and compression between the adjacent opposed inner side margins of the panel sections in the closed position thereof.

21. The merchandiser of claim 20, in which said resilient seal member is provided on each of the panel sections to normally extend toward each other and cooperatively form a dual seal in which the gasket means of one of said seal members will be disposed in compressed sealing relation between said opposed inner side margins and the gasket means of the other seal member will be contacted and compressed by the base of said one seal member.

22. The merchandiser of claim 19, in which said panel sections each have an outer side margin normally disposed opposite to an adjacent opposed surface of a cabinet wall, and said resilient seal member is also constructed and arranged for sealing engagement between the outer side margins of said panel sections and the adjacent opposed cabinet wall surfaces.

23. A refrigerated merchandiser having a cabinet with a product zone normally closed by at least one glass front panel having a hinging side margin, said glass front panel including an outer glass pane with one peripheral edge defining the hinging side margin and a structural frame member secured in inwardly spaced relation to the one peripheral edge of the glass pane, and hinge means directly connecting the one structural frame member to the cabinet and being constructed and arranged for hinging opening movement from a normally closed position of the glass front panel to access the product zone, and the portion of said one peripheral edge extending beyond the structural frame member being constructed and arranged to overhang and hide the hinge means in the closed position of the glass front panel.

24. The merchandiser of claim 23, in which said merchandiser cabinet includes a solid base frame and rigid strut means constructed and arranged to carry the weight of the glass front panel and translate such weight into the cabinet base frame.

25. The merchandiser of claim 24, in which said merchandiser is of the refrigerated or heated deli-display type having its produce zone vertically disposed above the base frame, said strut means extending vertically above the base frame along one side of the product zone, and said hinge means being connected to and supported by said strut means.

26. The merchandiser of claim 25, which further comprises control cylinder means constructed and arranged between said strut means and said hinge means to counteract the weight of the glass front panel in its opened position.

27. The merchandiser of claim 25, in which said glass front panel comprises at least two separately hinged sections with adjacent opposed inner side margins and each section being formed of dual inner and outer glass panes sealed in spaced relationship, and a resilient sealing member constructed and arranged on at least one of the inner side margins for sealing engagement with the opposed inner side margin of the other panel section.

28. The merchandiser of claim 27, in which said resilient seal member is provided on each of the panel sections to normally extend toward each other and cooperatively form a dual seal in which of one of said seal members will be disposed in compressed sealing relation between said opposed inner side margins and the other seal member will be contacted and compressed by said one seal member.

29. The merchandiser of claim 27, in which said panel sections each have an outer side margin normally disposed opposite to an adjacent opposed surface of a cabinet wall, and said resilient seal member is also constructed and arranged for sealing engagement between the outer side margins of said panel sections and the adjacent opposed cabinet wall surfaces.

30. The merchandiser of claim 23, including masking means extending along at least the one peripheral edge of the outer glass pane to obscure the hinge means.

31. The merchandiser of claim 23, in which said hinge means comprises a hinge member having a support and attachment section for supporting engagement with the glass front panel and attachment to the structural frame member, and a hinge bracket member secured to the merchandiser cabinet and being constructed and arranged to translate the weight of the glass front panel to the cabinet when the panel is opened.

32. The merchandiser of claim 23, including masking means along the one peripheral edge of the glass front panel to obscure the hinge means.

33. The merchandiser of claim 32, in which said masking means is applied to said outer glass pane over the structural frame member.

34. The merchandiser of claim 23, in which said glass front panel further includes an inner glass pane secured in inwardly spaced relation with the outer one glass pane by the structural frame member along the hinging side margin of the panel, said structural frame member extending beyond the edge of the inner glass pane, and said hinge means including a hinge member having a hinge plate section in surface supporting contact with the inner glass pane and having an adjacent section rigidly attached to the extended portion of the structural frame member.

35. The merchandiser of claim 34 which is of the refrigerated or heated deli-display type and has a cabinet top member for hingedly accommodating the hinging side margin of the glass front panel for vertical upward opening movement of the glass front panel on a horizontal hinge axis, and said hinge means comprises a hinge bracket member secured to the cabinet and providing the horizontal hinge axis for pivotally mounting the hinge member.

36. The merchandiser of claim 34 which is of the reach-in display type and has a vertical cabinet side member hingedly accommodating the hinging side margin of the glass front panel for horizontal side opening movement of the glass front panel on a vertical hinge axis, and said hinge means comprising a hinge bracket member secured to the cabinet and providing the vertical hinge axis for pivotally mounting the hinge member.

37. The merchandiser of claim 35, in which the glass front panel includes at least two separately hinged side-by-side sections with adjacent opposed inner side margins, and sealing means constructed and arranged on at least one of said inner side margins for sealing engagement with the other inner side margin in the closed position of said panel sections with the merchandiser cabinet.

38. The merchandiser of claim 37, in which said sealing means comprises a resilient seal member having a base for attachment along the panel side margin of the inner glass pane, and flexible hollow gasket means extending laterally outwardly from said base, said gasket means being constructed and arranged for bending movement and compression between the adjacent opposed inner side margins of the panel sections in the closed position thereof.

39. The merchandiser of claim 38, in which said resilient seal member is provided on each of the panel sections to normally extend toward each other and cooperatively form a dual seal in which the gasket means of one of said seal members will be disposed in compressed sealing relation between said opposed inner side margins and the gasket means of the other seal member will be contacted and compressed by the base of said one seal member.

40. The merchandiser of claim 37, in which said panel sections each have an outer side margin normally disposed opposite to an adjacent opposed surface of a cabinet wall, and said resilient seal member is also constructed and arranged for sealing engagement between the outer side margins of said panel sections and the adjacent opposed cabinet wall surfaces.

41. A refrigerator display case comprising a cabinet for containing refrigerated items, said cabinet having a front opening, a plurality of window panels disposed in side-by-side relation, means supporting said panels for pivotal movement about a horizontal axis between a lowered position closing said cabinet opening and a raised position for permitting access to the interior of said cabinet through said opening, said panels each having an outer glass pane and inner glass pane, said glass panes of each panel being disposed in side-by-side relation with a spacer interposed therebetween for maintaining said glass panes in parallel relation with an air space therebetween, said spacer of each panel including a pair of side spacer members disposed between said glass panes adjacent opposite peripheral sides of the glass panes and upper and lower spacer members disposed between the glass panes adjacent upper and lower peripheral ends thereof, said upper spacer member being in the form of a pivot bar disposed partially between said outer and inner glass panes, said pivot bar having at least one hinge mounting section disposed below said outer glass pane but extending beyond the upper peripheral edge of said inner glass pane so as to define an exposed mounting surface, and said panel supporting means including at least one hinge assembly for each panel, and said hinge assembly having a pivotally mounted hinge plate secured to said exposed mounting surface of said pivot bar hinge mounting section.

42. The refrigerator display case of claim 41 in which said outer glass pane is larger in size than said inner glass pane.

43. The refrigerator display case of claim 42 in which said cabinet includes a top wall, means defining a hinge plate pivot axis in predetermined relation to said top wall, and said outer glass pane extends rearwardly over the upper peripheral edge of said inner glass pane, said pivot bar mounting section, and said pivot axis when said window panel is in the lowered closed position.

44. The refrigerator display case of claim 41 in which said outer glass pane of each window panel has a completely exposed and unobstructed outer surface free of molding, hinge hardware and external trim.

45. The refrigerator display case of claim 44 in which the outer glass pane of each window panel has masking means about peripheral marginal edge regions thereof for preventing viewing of said spacer when in the closed position while permitting substantially unobstructed viewing of the interior of the refrigerator cabinet.

46. The refrigerator display case of claim 41 including fluid controlled cylinder means connected between said hinge plate and said cabinet for facilitating and controlling movement of each panel between said lowered and raised positions.

47. The refrigerator display case of claim 46 in which said pivot bar hinge mounting sections have a greater thickness than the portion of the pivot bar disposed between said glass panes such that an underside exposed mounting surface of said hinge mounting sections are substantially flush with an inner surface of the window panel.

48. The refrigerator display cabinet of claim 47 in which said pivot plate has a forwardly extending portion overlapping an upper marginal edge region of the inner glass pane.

49. The refrigerator display case of claim 41 including at least one strip of moisture absorbing desiccant extending across each window panel between the glass panes at a location inwardly of said pivot bar.

50. The refrigerator display case of claim 41 in which said spacer bar is a solid bar.