Method for protecting from unauthorized access one or more ports of a system integrated into a structure for injection of a material into one or more cavities in the structure

• US 20050210736A1
• Filed: 01/20/2005
• Published: 09/29/2005
• Est. Priority Date: 05/18/2004
• Status: Active Grant

• Current Assignee: Hometeam Pest Defense Incorporated (Pultegroup Incorporated)
• Original Assignee: Centex Corporation (Pultegroup Incorporated)
• Inventors: Swartz, Robert M., Gahlhoff, Jeryl E. Jr.
• Granted Patent: US 7,174,753 B2
• Time in Patent Office: Days
• US Class Current: 43/124
• CPC Class Codes: E05B 35/007 the key being a card, e.g. perforated, or the like E05B47/0045 takes precedence
• CPC Class Codes: Y10T 29/49895 Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]
• CPC Class Codes: Y10T 29/53687 by rotation of work part
• CPC Class Codes: Y10T 70/5584 Dead bolt
• CPC Class Codes: Y10T 70/5602 Dead bolt
• CPC Class Codes: Y10T 70/7593 Sliding tumblers
• CPC Class Codes: Y10T 70/7853 Tubular

Abstract

In certain embodiments, the present invention includes a method for protecting from unauthorized access one or more ports of a system integrated into a structure for injection of a material into one or more cavities in the structure. The method includes coupling a base to the structure, the base including the one or more ports for injection of the material into the one or more cavities in the structure and one or more slots. The method further includes removably coupling a cover to the base to prevent unauthorized access to the one or more ports, the cover comprising one or more tabs each adapted to engage with a corresponding slot of the base. The cover is removably coupled to the base by positioning a locking mechanism for removably securing the cover to the base proximate a projection of the base and engaging the locking mechanism with the projection of the base to removably secure the one or more tabs of the cover in engagement with the one or more corresponding slots of the base to removably secure the cover to the base to prevent unauthorized access to the one or more ports.

Claims

1-30. -30. (canceled)

31. A port cover for a system integrated into a structure for injection of a material into one or more cavities in the structure, the port cover comprising:

a base for coupling to the structure, the base comprising;

one or more ports for injection of the material into the one or more cavities in the structure; and

one or more slots;

a cover for removably coupling to the base, the cover comprising one or more tabs each adapted to engage with a corresponding slot of the base;

a locking mechanism for removably securing the cover to the base to prevent unauthorized access to the one or more ports, the locking mechanism adapted to engage a projection of the base to removably secure the one or more tabs of the cover in engagement with the one or more corresponding slots of the base to removably secure the cover to the base to prevent unauthorized access to the one or more ports.

32. The port cover of claim 31, wherein when the locking mechanism is engaged with the projection of the base and the one or more tabs of the cover are engaged with the one or more corresponding slots of the base, the cover cannot be removed from the base without breaking the one or more tabs of the cover.

33. The port cover of claim 31, wherein when the one or more tabs of the cover are engaged with the one or more corresponding slots of the base:

the locking mechanism being engaged with the projection of the base substantially prevents the cover from sliding downward substantially parallel to a front surface of the base; and

the one or more tabs of the cover being engaged with the one or more corresponding slots of the base substantially prevents the cover from being pulled substantially perpendicular to the front surface of the base or from sliding upward substantially parallel to the front surface of the base.

34. The port cover of claim 31, wherein:

the locking mechanism comprises a rotatable member having a perimeter and a gap in the perimeter;

when the rotatable member is in a first rotational orientation, the rotatable member is adapted to receive, via the gap in the perimeter, the projection of the base and to allow the one or more tabs of the cover to slide upward substantially parallel to a front surface of the base to engage the one or more corresponding slots of the base to secure the cover to the base;

when the rotatable member is in a second rotational orientation, the rotatable member is prevented from disengaging with the projection of the base, to substantially prevent the one or more tabs of the cover from sliding downward substantially parallel to a front surface of the base to disengage from the one or more corresponding slots of the base to secure the cover to the base; and

when the rotatable member is returned to the first rotational orientation, the rotatable member is adapted to release, via the gap in the perimeter, the projection of the base and to allow the one or more tabs of the cover to slide downward substantially parallel to the front surface of the base to disengage from the one or more corresponding slots of the base to remove the cover from the base.

35. The port cover of claim 34, wherein:

the first rotational orientation comprises at least one of a first range of rotational orientations; and

the second rotational orientation comprises at least one of a second range of rotational orientations.

36. The port cover of claim 34, wherein:

the projection of the base comprises a channel; and

the rotatable member comprises a ridge adapted to engage with the channel of the projection when the one or more tabs of the cover are engaged with the one or more corresponding slots of the base, the engagement of the channel of the projection and the ridge of the rotatable member helping to prevent the port cover from being forcibly breached.

37. The port cover of claim 36, wherein:

the base comprises one or more channels each associated with a corresponding slot;

the one or more tabs of the cover are adapted to move inward substantially perpendicular to the front surface of the base through the one or more corresponding channels of the base before sliding upward to engage the one or more corresponding slots of the base to secure the cover to the base; and

the one or more tabs of the cover are adapted to, after sliding downward to disengage from the one or more corresponding slots of the base, move outward substantially perpendicular to the front surface of the base through the one or more corresponding channels of the base to remove the cover from the base.

38. The port cover of claim 34, wherein:

the locking mechanism is adapted to engage with a key inserted into the locking mechanism; and

the rotatable member is adapted to be rotated using the key.

39. The port cover of claim 38, wherein the key comprises:

a handle;

a hollow shaft; and

one or more projections extending from the shaft for engaging with the locking mechanism to rotate the rotatable member.

40. The port cover of claim 39, wherein:

the cover comprises a plurality of castellations in a circular arrangement, a slot separating each pair of adjacent castellations; and

the locking mechanism comprises a plurality of legs, one or more of the legs each comprising a projection adapted to extend into a corresponding slot separating adjacent castellations.

41. The port cover of claim 40, wherein the locking mechanism further comprises a lock plug comprising a plurality of channels each adapted to receive a corresponding leg, the lock plug adapted to engage with the key to rotate the rotatable member.

42. The port cover of claim 41, wherein one or more projections of the key are adapted to, when the key is properly oriented, compress corresponding legs inward to recess the corresponding projections of the legs from corresponding slots separating adjacent castellations to allow the rotatable member to be rotated using the key.

43. The port cover of claim 41, wherein the locking mechanism further comprises a housing adapted to seat over the lock member to maintain:

the rotatable member in continuous contact with the lock plug;

the legs in continuous contact with the lock plug and the rotatable member; and

the lock plug in continuous contact with the cover.

44. The port cover of claim 40, wherein:

the shaft of the key comprises a channel; and

the cover comprises an aperture comprising a tab, the aperture adapted to receive the key when the key is oriented such that the tab of the aperture can pass through the channel of the shaft of the key.

45. The port cover of claim 31, wherein:

the cover is dome-shaped;

perimeters of the base and the cover have matching substantially oval-shapes; and

the perimeters of the base and the cover substantially align when the cover is secured to the base to help prevent the port cover from being forcibly breached.

46. The port cover of claim 31, wherein:

the cover is dome-shaped;

the cover comprises an interior frame comprising the one or more tabs of the cover, a void existing between an exterior wall of the cover and the interior frame of the cover; and

one or more buttresses in the void, each buttress connecting a corresponding portion of the interior frame of the cover to a corresponding portion of the exterior wall of the cover, the one or more buttresses helping to prevent the port cover from being forcibly breached.

47. The port cover of claim 31, wherein the material comprises pesticide.

48. A system for protecting from unauthorized access one or more ports of a system integrated into a structure for injection of a material into one or more cavities in the structure, the system comprising:

means for coupling a base to the structure, the base comprising;

the one or more ports for injection of the material into the one or more cavities in the structure; and

one or more slots;

means for removably coupling a cover to the base to prevent unauthorized access to the one or more ports, the cover comprising one or more tabs each adapted to engage with a corresponding slot of the base;

means for removably securing the cover to the base to prevent unauthorized access to the one or more ports, comprising a locking mechanism adapted to engage a projection of the base to removably secure the one or more tabs of the cover in engagement with the one or more corresponding slots of the base to removably secure the cover to the base to prevent unauthorized access to the one or more ports.

49. A key for engaging a locking mechanism for a port cover for use in a system integrated into a structure for injection of a material into one or more cavities in the structure, the locking mechanism for removably securing a cover of the port cover to a base of the port cover that is coupled to the structure and comprises one or more ports for injecting material into the one or more cavities in the structure, the key adapted to:

engage with the locking mechanism; and

orient the locking mechanism such that the locking mechanism engages with a projection of the base to removably secure one or more tabs of the cover in engagement with one or more corresponding slots of the base to removably secure the cover to the base to prevent unauthorized access to the one or more ports.

50. The key of claim 49, wherein when the locking mechanism is engaged with the projection of the base and the one or more tabs of the cover are engaged with the one or more corresponding slots of the base, the cover cannot be removed from the base without breaking the one or more tabs of the cover.

51. The key of claim 49, wherein when the one or more tabs of the cover are engaged with the one or more corresponding slots of the base:

the locking mechanism being engaged with the projection of the base substantially prevents the cover from sliding downward substantially parallel to a front surface of the base; and

the one or more tabs of the cover being engaged with the one or more corresponding slots of the base substantially prevents the cover from being pulled substantially perpendicular to the front surface of the base or from sliding upward substantially parallel to the front surface of the base.

52. The key of claim 49, wherein:

the locking mechanism comprises a rotatable member having a perimeter and a gap in the perimeter; and

the key is adapted to;

position the rotatable member in a first rotational orientation such that the rotatable member is allowed to receive, via the gap in the perimeter, the projection of the base to allow the one or more tabs of the cover to slide upward substantially parallel to a front surface of the base to engage the one or more corresponding slots of the base to secure the cover to the base;

position the rotatable member in a second rotational orientation such that the rotatable member is prevented from disengaging with the projection of the base to substantially prevent the one or more tabs of the cover from sliding downward substantially parallel to a front surface of the base to disengage from the one or more corresponding slots of the base to secure the cover to the base; and

return the rotatable member to the first rotational orientation to allow the rotatable member to release, via the gap in the perimeter, the projection of the base to allow the one or more tabs of the cover to slide downward substantially parallel to the front surface of the base to disengage from the one or more corresponding slots of the base to remove the cover from the base.

53. The key of claim 52, wherein:

the first rotational orientation comprises at least one of a first range of rotational orientations; and

the second rotational orientation comprises at least one of a second range of rotational orientations.

54. The key of claim 52, wherein:

the projection of the base comprises a channel; and

the key is adapted to orient the rotatable member such that a ridge of the rotatable member engages with a channel of the projection of the base, when the one or more tabs of the cover are engaged with the one or more corresponding slots of the base, to help prevent the cover from being forcibly removed from the base.

55. The key of claim 54, wherein:

the base comprises one or more channels each associated with a corresponding slot;

the one or more tabs of the cover are adapted to move inward substantially perpendicular to the front surface of the base through the one or more corresponding channels of the base before sliding upward to engage the one or more corresponding slots of the base to secure the cover to the base; and

the one or more tabs of the cover are adapted to, after sliding downward to disengage from the one or more corresponding slots of the base, move outward substantially perpendicular to the front surface of the base through the one or more corresponding channels of the base to remove the cover from the base.

56. The key of claim 52, wherein:

the locking mechanism is adapted to engage with the key when the key is inserted into the locking mechanism; and

the rotatable member is adapted to be rotated using the key.

57. The key of claim 56, comprising:

a handle;

a hollow shaft; and

one or more projections extending from the shaft for engaging with the locking mechanism to rotate the rotatable member.

58. The key of claim 57, wherein:

the cover comprises a plurality of castellations in a circular arrangement, a slot separating each pair of adjacent castellations; and

the locking mechanism comprises a plurality of legs, one or more of the legs each comprising a projection adapted to extend into a corresponding slot separating adjacent castellations.

59. The key of claim 58, wherein the locking mechanism further comprises a lock plug comprising a plurality of channels each adapted to receive a corresponding leg, the lock plug adapted to engage with the key to rotate the rotatable member.

60. The key of claim 59, wherein one or more projections of the key are adapted to, when the key is properly oriented, compress corresponding legs inward to recess the corresponding projections of the legs from corresponding slots separating adjacent castellations to allow the rotatable member to be rotated using the key.

61. The key of claim 58, wherein:

the shaft of the key comprises a channel; and

the cover comprises an aperture comprising a tab, the aperture adapted to receive the key when the key is oriented such that the tab of the aperture can pass through the channel of the shaft of the key.

62. The key of claim 49, wherein the material comprises pesticide.

63. A locking mechanism for engaging with a projection of a first component to removably secure a second component to the first component, the locking mechanism comprising:

a rotatable member having a perimeter and a gap in the perimeter;

when the rotatable member is positioned in a first rotational orientation, the rotatable member is allowed to receive, via the gap in the perimeter, the projection of the first component;

when the rotatable member is positioned in a second rotational orientation, the rotatable member is prevented from disengaging with the projection of the first component to secure the second component to the first component; and

when the rotatable member is returned to the first rotational orientation, the rotatable member is allowed to release, via the gap in the perimeter, the projection of the first component to remove the second component from the first component.

64. The locking mechanism of claim 63, wherein:

the first rotational orientation comprises at least one of a first range of rotational orientations; and

the second rotational orientation comprises at least one of a second range of rotational orientations.

65. The locking mechanism of claim 63, wherein:

the projection of the first component comprises a channel; and

the rotatable member comprises a ridge adapted to engage with a channel of the projection of the first component when the rotatable member is engaged with the projection, the engagement of the channel of the projection and the ridge of the rotatable member helping to prevent the second component from being forcibly removed from the first component.

66. The locking mechanism of claim 63, wherein:

the second component comprises a plurality of castellations in a circular arrangement, a slot separating each pair of adjacent castellations; and

the locking mechanism comprises a plurality of legs, one or more of the legs each comprising a projection adapted to extend into a corresponding slot separating adjacent castellations such that when the one or more projections of the one or more legs extend into the corresponding slots, the rotatable member cannot be rotated without breaking the one or more projections of the one or more legs.

67. The locking mechanism of claim 66, wherein:

the locking mechanism is adapted to engage with a key when the key is inserted into the locking mechanism; and

the rotatable member is adapted to be rotated using the key.

68. The locking mechanism of claim 67, wherein the key comprises:

a handle;

a hollow shaft; and

one or more projections extending from the shaft for engaging with the locking mechanism to rotate the rotatable member.

69. The locking mechanism of claim 68, further comprising a lock plug comprising a plurality of channels each adapted to receive a corresponding leg, the lock plug adapted to engage with the key to rotate the rotatable member.

70. The locking mechanism of claim 69, wherein one or more projections of the key are adapted to, when the key is properly oriented, compress corresponding legs inward to recess the corresponding projections of the legs from corresponding slots separating adjacent castellations to allow the rotatable member to be rotated using the key.

71. The locking mechanism of claim 69, further comprising a housing adapted to seat over the lock member to maintain:

the rotatable member in continuous contact with the lock plug;

the legs in continuous contact with the lock plug and the rotatable member; and

the lock plug in continuous contact with the second component.

72. The locking mechanism of claim 68, wherein:

the shaft of the key comprises a channel; and

the second component comprises an aperture comprising a tab, the aperture adapted to receive the key when the key is oriented such that the tab of the aperture can pass through the channel of the shaft of the key.

73. The locking mechanism of claim 63, wherein:

the locking mechanism is for use in a system integrated into a structure for injection of a material into one or more cavities in the structure;

the first component comprises;

a base that is coupled to the structure, the base comprising;

one or more slots; and

one or more ports for injecting the material into the one or more cavities in the structure; and

the second component comprises a cover, the cover comprising one or more tabs each adapted to engage with a corresponding slot of the base.

74. The locking mechanism of claim 73, wherein:

when the rotatable member is in the first rotational orientation, the one or more tabs of the cover are allowed to slide upward substantially parallel to a front surface of the base to engage the one or more corresponding slots of the base to secure the cover to the base;

when the rotatable member is in the second rotational orientation, the one or more tabs of the cover are substantially prevented from sliding downward substantially parallel to the front surface of the base to disengage from the one or more corresponding slots of the base to secure the cover to the base; and

when the rotatable member is returned to the first rotational orientation, the one or more tabs of the cover are allowed to slide downward substantially parallel to the front surface of the base to disengage from the one or more corresponding slots of the base to remove the cover from the base.

75. The locking mechanism of claim 74, wherein when the locking mechanism is engaged with the projection of the base and the one or more tabs of the cover are engaged with the one or more corresponding slots of the base, the cover cannot be removed from the base without breaking the one or more tabs of the cover.

76. The locking mechanism of claim 74, wherein when the one or more tabs of the cover are engaged with the one or more corresponding slots of the base:

the locking mechanism being engaged with the projection of the base substantially prevents the cover from sliding downward substantially parallel to the front surface of the base; and

the one or more tabs of the cover being engaged with the one or more corresponding slots of the base substantially prevents the cover from being pulled substantially perpendicular to the front surface of the base or from sliding upward substantially parallel to the front surface of the base.

77. The locking mechanism of claim 74, wherein:

the base comprises one or more channels each associated with a corresponding slot;

the one or more tabs of the cover are adapted to move inward substantially perpendicular to the front surface of the base through the one or more corresponding channels of the base before sliding upward to engage the one or more corresponding slots of the base to secure the cover to the base; and

the one or more tabs of the cover are adapted to, after sliding downward to disengage from the one or more corresponding slots of the base, move outward substantially perpendicular to the front surface of the base through the one or more corresponding channels of the base to remove the cover from the base.