IP Library Granted Patent US 7,196,836
Granted Patent B2
US 7,196,836 · App. 10/985,857 · Granted Mar 27, 2007

Rearview assembly having an integral crush zone

Assignee: Gentex Corporation
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Quick Facts
Patent No.
US 7,196,836
App. No.
10/985,857
Granted
Mar 27, 2007
Kind
B2
Abstract

A rearview assembly comprising a rearview element, a rearview element support assembly supporting the rearview element and a mount adjacent the housing. The mount is configured to connect the rearview assembly to a windshield. At least one of the rearview element support assembly and the mount comprises a crush bracket having at least two legs adapted to be compressed as a force strikes a front of the rearview element. The crush bracket can include at least one tab contacting a heat emitting component and/or an electrically conductive component of a circuit to provide a heat sink for the heat emitting component or a ground for the electrically conductive component, respectively.

Claims (255)

1. A rearview assembly comprising:

a rearview element having a front surface and a rear surface;

a crush bracket connected to the rear surface of the rearview element, the crush bracket including a support panel directly connected to the rear surface of the rearview element and at least two legs extending from the support panel in a direction opposite to the rearview element; and

a mount interconnected to the at least two legs of the crush bracket;

the at least two legs being configured to collapse in a direction between the rear surface of the rearview element and the mount as a striking force strikes the front surface of the rearview element.

2. The rearview assembly of claim 1 , wherein:

the rearview element comprises an electrochromic rearview element assembly including a front glass element and a rear glass element, with electrochromic material located between the front glass element and the rear glass element;

the front surface is on the front glass element; and

the rear surface is on the rear glass element.

3. The rearview assembly of claim 1 , wherein:

double-sided adhesive foam tape directly connects the support panel of the crush bracket to the rear surface of the rearview element.

4. The rearview assembly of claim 1 , wherein: the rearview element has a portion of a circuit provided directly on the rear surface.

5. The rearview assembly of claim 1 , further including:

a printed circuit board connected to the crush bracket.

6. The rearview assembly of claim 1 , further including:

an electrical circuit including a heat emitting component;

wherein the crush bracket includes a portion thereof contacting the heat emitting component to provide a heat sink for the heat emitting component.

7. The rearview assembly of claim 6 , wherein:

the portion of the crush bracket comprises resilient fingers resiliently pressed against the heat emitting component.

8. The rearview assembly of claim 6 , wherein:

the rearview element has at least a portion of the electrical circuit provided directly on the rear surface thereof; and

the at least a portion of the electrical circuit includes the heat emitting component.

9. The rearview assembly of claim 1 , further including:

an electrical circuit including an electrically conductive component;

wherein the crush bracket includes at least a portion thereof contacting the electrically conductive component to provide a ground for the electrically conductive component.

10. The rearview assembly of claim 9 , wherein:

the portion of the crush bracket comprises resilient fingers resiliently pressed against the electrically conductive component.

11. The rearview assembly of claim 9 , wherein:

the rearview element has at least a portion of the electrical circuit provided directly on the rear surface thereof; and

the at least a portion of the electrical circuit includes the electrically conductive component.

12. The rearview assembly of claim 1 , wherein:

the crush bracket compresses at least 1.0 mm without breaking the rearview element as the front surface of the rearview element is subjected to a force no greater than 400 N (90 pounds) in any direction that is not more than 45° from a forward longitudinal direction of motion of a vehicle having the rearview assembly connected thereto.

13. The rearview assembly of claim 1 , further including:

a housing having the rearview element therein;

wherein the rearview element does not contact the housing.

14. The rearview assembly of claim 1 , further including:

a connection plate connected to the at least two legs of the crush bracket and the mount.

15. The rearview assembly of claim 14 , wherein:

the mount includes a ball adapted to be received within the connection plate to interconnect the mount to the crush bracket.

16. The rearview assembly of claim 14 , further including:

a first pivot ball connected to the connection plate and a sleeve connected to the first pivot ball;

wherein the mount includes a second pivot ball connected to the sleeve to interconnect the mount to the crush bracket.

17. The rearview assembly of claim 14 , further including:

a housing having the rearview element, the crush bracket and the connection plate therein;

the housing being frictionally engaged between the mount and the connection plate.

18. The rearview assembly of claim 17 , wherein:

the housing does not abut the rearview element.

19. The rearview assembly of claim 1 , wherein:

the at least two legs include connection panels on ends thereof; and

the connection panels move towards the support panel as the at least two legs are collapsed in a direction between the rear surface of the rearview element and the mount.

20. The rearview assembly of claim 1 , wherein: the at least two legs are two legs.

21. The rearview assembly of claim 1 , wherein:

the at least two legs are each bowed outwardly.

22. The rearview assembly of claim 1 , wherein:

the support panel is spilt and includes two separate portions.

23. The rearview assembly of claim 1 , wherein:

the rearview element has a portion of a circuit provided directly on the rear surface thereof, the circuit including a glare sensor for measuring glare.

24. The rearview assembly of claim 23 , wherein:

the rearview element comprises an electrochromic rearview element assembly including a front glass element and a rear glass element, with electrochromic material located between the front glass element and the rear glass element;

the front surface is on the front glass element;

the rear surface is on the rear glass element.

25. The rearview assembly of claim 24 , wherein:

the electrochromic rearview element assembly darkens in response to the glare sensed by the glare sensor.

26. A rearview assembly comprising:

a rearview element having a front surface and a rear surface, the rearview element having a portion of a circuit provided directly on the rear surface;

a crush bracket connected to the rear surface of the rearview element, the crush bracket including at least two legs; and

a mount interconnected to the at least two legs of the crush bracket;

the at least two legs being configured to collapse in a direction between the rear surface of the rearview element and the mount as a striking force strikes the front surface of the rearview element.

27. The rearview assembly of claim 26 , wherein:

the rearview element comprises an electrochromic rearview element assembly including a front glass element and a rear glass element, with electrochromic material located between the front glass element and the rear glass element;

the front surface is on the front glass element; and

the rear surface is on the rear glass element.

28. The rearview assembly of claim 26 , wherein:

double-sided adhesive foam tape directly connects the crush bracket to the rear surface of the rearview element.

29. The rearview assembly of claim 26 , wherein:

the circuit includes a heat emitting component; and

the crush bracket includes at least a portion thereof contacting the heat emitting component to provide a heat sink for the heat emitting component.

30. The rearview assembly of claim 29 , wherein:

the portion of the crush bracket comprises resilient fingers resiliently pressed against the heat emitting component.

31. The rearview assembly of claim 26 , further including:

the circuit includes an electrically conductive component; and

the crush bracket includes at least a portion thereof contacting the electrically conductive component to provide a ground for the electrically conductive component.

32. The rearview assembly of claim 31 , wherein:

the portion of the crush bracket comprises resilient fingers resiliently pressed against the electrically conductive component.

33. The rearview assembly of claim 26 , wherein:

the, crush bracket compresses at least 1.0 mm without breaking the rearview element as the front surface of the rearview element is subjected to a force no greater than 400 N (90 pounds) in any direction that is not more than 45° from a forward longitudinal direction of motion of a vehicle having the rearview assembly connected thereto.

34. The rearview assembly of claim 26 , further including:

a housing having the rearview element therein;

wherein the rearview element does not contact the housing.

35. The rearview assembly of claim 26 , further including:

a connection plate connected to the at least two legs of the crush bracket and the mount.

36. The rearview assembly of claim 35 , wherein:

the mount includes a ball adapted to be received within the connection plate to interconnect the mount to the crush bracket.

37. The rearview assembly of claim 35 , further including:

a first pivot ball connected to the connection plate and a sleeve connected to the first pivot ball;

wherein the mount includes a second pivot ball connected to the sleeve to interconnect the mount to the crush bracket.

38. The rearview assembly of claim 35 , further including:

a housing having the rearview element, the crush bracket and the connection plate therein;

the housing being frictionally engaged between the mount and the connection plate.

39. The rearview assembly of claim 38 , wherein:

the housing does not abut the rearview element.

40. The rearview assembly of claim 26 , wherein:

the at least two legs include connection panels on ends thereof; and

the connection panels move towards the rear surface of the rearview element as the at least two legs are collapsed in a direction between the rear surface of the rearview element and the mount.

41. The rearview assembly of claim 26 , wherein:

the at least two legs are two legs.

42. The rearview assembly of claim 26 , wherein:

the at least two legs are each bowed outwardly.

43. The rearview assembly of claim 26 , wherein:

the crush bracket includes a support panel that is split and includes two separate portions.

44. The rearview assembly of claim 26 , wherein:

the circuit includes a glare sensor for measuring glare.

45. The rearview assembly of claim 44 , wherein:

the rearview element comprises an electrochromic rearview element assembly including

a front glass element and a rear glass element, with electrochromic material located between the front glass element and the rear glass element;

the front surface is on the front glass element;

the rear surface is on the rear glass element.

46. The rearview assembly of claim 45 , wherein:

the electrochromic rearview element assembly darkens in response to the glare sensed by the glare sensor.

47. A rearview assembly comprising:

a rearview element having a front surface and a rear surface;

a support plate supporting the rearview element;

a crush bracket connected to the support plate, the crush bracket including a support panel connected to the support plate and at least two legs extending from the support panel; and

a mount interconnected to the at least two legs of the crush bracket;

the at least two legs being configured to collapse in a direction between the rear surface of the rearview element and the mount as a striking force strikes the front surface of the rearview element.

48. The rearview assembly of claim 47 , wherein:

the rearview element comprises an electrochromic rearview element assembly including a front glass element and a rear glass element, with electrochromic material located between the front glass element and the rear glass element;

the front surface is on the front glass element; and

the rear surface is on the rear glass element.

49. The rearview assembly of claim 47 , wherein:

double-sided adhesive foam tape directly connects the crush bracket to the support plate.

50. The rearview assembly of claim 47 , wherein:

the rearview element has a portion of a circuit provided directly on the rear surface.

51. The rearview assembly of clam 47 , further including:

a printed circuit board connected to the support plate.

52. The rearview assembly of claim 47 , further including:

an electrical circuit including a heat emitting component;

wherein the crush bracket includes at least a portion thereof contacting the heat emitting component to provide a heat sink for the heat emitting component.

53. The rearview assembly of claim 47 , further including:

an electrical circuit including an electrically conductive component;

wherein the crush bracket includes at least a portion thereof contacting the electrically conductive component to provide a ground for the electrically conductive component.

54. The rearview assembly of claim 47 , wherein:

the crush bracket compresses at least 1.0 mm without breaking the rearview element as the front surface of the rearview element is subjected to a force no greater than 400 N (90 pounds) in any direction that is not more than 45° from a forward longitudinal direction of motion of a vehicle having the rearview assembly connected thereto.

55. The rearview assembly of claim 47 , further including:

a connection plate connected to the at least two legs of the crush bracket and the mount.

56. The rearview assembly of claim 55 , wherein:

the mount includes a ball adapted to be received within the connection plate to interconnect the mount to the crush bracket.

57. The rearview assembly of claim 55 , further including:

a first pivot ball connected to the connection plate and a sleeve connected to the first pivot ball;

wherein the mount includes a second pivot ball connected to the sleeve to interconnect the mount to the crush bracket.

58. The rearview assembly of claim 55 , further including:

a housing having the rearview element the crush bracket and the connection plate therein;

the housing being frictionally engaged between the mount and the connection plate.

59. The rearview assembly of claim 58 , wherein:

the housing does not abut the rearview element.

60. The rearview assembly of claim 47 , wherein:

the at least two legs include connection panels on ends thereof; and

the connection panels move towards the support panel as the at least two legs are collapsed in a direction between the rear surface of the rearview element and the mount.

61. The rearview assembly of claim 47 , wherein:

the at least two legs are two legs.

62. The rearview assembly of claim 47 , wherein;

the at least two legs are each bowed outwardly.

63. The rearview assembly of claim 47 , wherein:

the support panel is split and includes two separate portions.

64. The rearview assembly of claim 47 , further including:

a circuit board connected to the support plate, the circuit board having an opening therethrough;

wherein the crush bracket extends through the opening.

65. The rearview assembly of claim 64 , wherein:

the circuit board includes a glare sensor thereon for measuring glare.

66. The rearview assembly of claim 65 , wherein:

the rearview element comprises an electrochromic rearview element assembly including a front glass element and a rear glass element, with electrochromic material located between the front glass element and the rear glass element;

the front surface is on the front glass element;

the rear surface is on the rear glass element.

67. The rearview assembly of claim 66 , wherein:

the electrochromic rearview element assembly darkens in response to the glare sensed by the glare sensor.

68. A rearview assembly comprising:

a rearview element;

a housing having the rearview element therein;

an electrical circuit in the housing, the electrical circuit including a heat emitting component; and

a crush bracket interconnected to the rearview element, the crush bracket including at least a portion thereof contacting the heat emitting component to provide a heat sink for the heat emitting component;

wherein the crush bracket is connected to a rear surface of the rearview element and the crush bracket includes at least two legs; and

further including a mount interconnected to the at least two legs of the crush bracket;

wherein the at least two legs are configured to collapse in a direction between the rear surface of the rearview element and the mount as a striking force strikes the front surface of the rearview element.

69. The rearview assembly of claim 68 , wherein:

the at least two legs include connection panels on ends thereof; and

the connection panels move towards the rear surface of the rearview element as the at least two legs are collapsed in a direction between the rear surface of the rearview element and the mount.

70. A rearview assembly comprising:

a rearview element;

a rearview element housing having the rearview element therein;

an electrical circuit in the rearview element housing, the electrical circuit including an electrically conductive component; and

a crush bracket interconnected to the rearview element, the crush bracket including at least a portion thereof contacting the electrically conductive component to provide a ground for the electrically conductive component;

wherein the crush bracket is connected to a rear surface of the rearview element and the crush bracket includes at least two legs; and

further including a mount interconnected to the at least two legs of the crush bracket;

wherein the at least two legs are configured to collapse in a direction between the rear surface of the rearview element and the mount as a striking force strikes the front surface of the rearview element.

71. The rearview assembly of claim 70 , wherein:

the at least two legs include connection panels on ends thereof; and

the connection panels move towards the rear surface of the rearview element as the at least two legs are collapsed in a direction between the rear surface of the rearview element and the mount.

72. A rearview assembly for a vehicle comprising:

a rearview element having a reflective surface;

a rearview element housing having at least a portion of the rearview element therein; and

a mount for connecting the rearview element and the rearview element housing to a windshield of the vehicle;

wherein a portion of the rearview assembly non-elastically compresses at least 1.0 mm without breaking the rearview element as the reflective surface of the rearview element is subjected to a force no greater than 400 N (90 pounds) in any direction that is not more than 45° from a forward longitudinal direction of motion of the vehicle.

73. The rearview assembly of claim 72 , wherein:

the rearview element includes a front surface and a rear surface; and

the portion of the rearview assembly comprises a crush bracket connected to the rear surface of the rearview element, the crush bracket including a support panel directly connected to the rear surface of the rearview element and at least two legs extending from the support panel in a direction opposite the rearview element;

the mount is interconnected to the at least two legs of the crush bracket; and

the at least two legs are configured to collapse in a direction between the rear surface of the rearview element and the mount as a striking force strikes the front surface of the rearview element.

74. The rearview assembly of claim 73 , wherein:

the at least two legs include connection panels on ends thereof; and

the connection panels move towards the support panel as the at least two legs are collapsed in a direction between the rear surface of the rearview element and the mount.

75. The rearview assembly of claim 73 , wherein:

the at least two legs are two legs.

76. The rearview assembly of claim 73 , wherein:

the at least two legs are each bowed outwardly.

77. The rearview assembly of claim 73 , further including:

an electrical circuit in the rearview element housing, the electrical circuit including a heat emitting component;

wherein the crush bracket includes a portion thereof contacting the heat emitting component to provide a heat sink for the heat emitting component.

78. The rearview assembly of claim 77 , wherein:

the portion of the crush bracket comprises resilient fingers resiliently pressed against the heat emitting component.

79. The rearview assembly of claim 77 , wherein:

the rearview element has at least a portion of the electrical circuit provided directly on the rear surface thereof; and

the at least a portion of the electrical circuit includes the heat emitting component.

80. The rearview assembly of claim 73 , further including: an electrical circuit in the rearview element housing, the electrical circuit including an electrically conductive component;

wherein the crush bracket includes at least a portion thereof contacting the electrically conductive component to provide a ground for the electrically conductive component.

81. The rearview assembly of claim 80 , wherein:

the portion of the crush bracket comprises resilient fingers resiliently pressed against the electrically conductive component.

82. The rearview assembly of claim 80 , wherein:

the rearview element has at least a portion of the electrical circuit provided directly on the rear surface thereof; and

the at least a portion of the electrical circuit includes the electrically conductive component.

83. The rearview assembly of claim 73 , further including:

a connection plate connected to the at least two legs of the crush bracket and the mount.

84. The rearview assembly of claim 83 , wherein:

the mount includes a ball adapted to be received within the connection plate to thereby interconnect the mount to the crush bracket.

85. The rearview assembly of claim 83 , further including:

a first pivot ball connected to the connection plate and a sleeve connected to the first pivot ball;

wherein the mount includes a second pivot ball connected to the sleeve to interconnect the mount to the crush bracket.

86. The rearview assembly of claim 83 , wherein:

the rearview element housing has the rearview element, the crush bracket and the connection plate therein; and

the rearview element housing is frictionally engaged between the mount and the connection plate.

87. The rearview assembly of claim 86 , wherein:

the rearview element housing does not abut the rearview element.

88. The rearview assembly of claim 72 , wherein:

the rearview element has a from surface and a rear surface;

a support plate supports the rearview element;

the portion of the rearview assembly comprises a crush bracket connected to the support plate, the crush bracket including a support panel connected to the support plate and at least two legs extending from the support panel;

the mount is interconnected to the at least two legs of the crush bracket; and

the at least two legs are configured to collapse in a direction between the rear surface of the rearview element and the mount as a striking force strikes the front surface of the rearview element.

89. The rearview assembly of claim 72 , wherein:

the rearview element comprises an electrochromic rearview assembly including a front glass element and a rear glass element, with electrochromic material located between the front glass element and the rear glass element.

90. The rearview assembly of claim 72 , wherein:

the portion of the rearview assembly comprises a crush bracket interconnected to the rearview element; and

double-sided adhesive foam tape directly connects to the crush bracket to a rear surface of the rearview element.

91. The rearview assembly of claim 72 , wherein:

the rearview element has a portion of a circuit provided directly on a rear surface thereof.

92. The rearview assembly of claim 72 , wherein: the rearview element does not contact the rearview element housing.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 10, 2004
From: BAUER, FREDERICK T.; RUMSEY, WAYNE J.; TURNBULL, ROBERT R.; WATSON, ALAN R.; BOSTWICK, DANIEL J.
To: GENTEX CORPORATION
Reel/Frame 015984/0901 →
Continuity (2)
Continuation In Part 1086363800 · Jun 8, 2004
Related Publication 20050270621A1 · Dec 8, 2005