IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0366895
(2009-02-06)
|
등록번호 |
US-8281420
(2012-10-09)
|
발명자
/ 주소 |
- Hand, Joseph
- Seaman, John
|
출원인 / 주소 |
- Bemis Manufacturing Company
|
대리인 / 주소 |
Michael Best & Friedrich LLP
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
47 |
초록
▼
A hinge assembly for a toilet seat, the hinge assembly comprising a hinge post for pivotally supporting the toilet seat on a toilet bowl, and a bolt embedded in the hinge post and configured to extend through an opening in the toilet bowl, the bolt having thereon a plurality of projections extending
A hinge assembly for a toilet seat, the hinge assembly comprising a hinge post for pivotally supporting the toilet seat on a toilet bowl, and a bolt embedded in the hinge post and configured to extend through an opening in the toilet bowl, the bolt having thereon a plurality of projections extending into the hinge post to distribute to the hinge post forces applied to the bolt.
대표청구항
▼
1. A hinge assembly for a toilet seat, the hinge assembly comprising: a hinge post for pivotally supporting the toilet seat on a toilet bowl;a bolt connectable to the hinge post for securing the hinge post to the toilet bowl, the bolt being configured to extend through an opening in the toilet bowl;
1. A hinge assembly for a toilet seat, the hinge assembly comprising: a hinge post for pivotally supporting the toilet seat on a toilet bowl;a bolt connectable to the hinge post for securing the hinge post to the toilet bowl, the bolt being configured to extend through an opening in the toilet bowl;a nut threadable onto the bolt about an axis to secure the hinge post to the toilet bowl, the nut having a first segment threadable onto the bolt, a second segment coaxial along the axis with the first segment, and a shear segment coaxial along the axis with and connecting the first and second segments, the shear segment having a lower torque resistance than the first and second segments such that the shear segment breaks when the nut is rotated relative to the hinge post and torque applied to the second segment reaches a predetermined amount; anda washer configured to surround the bolt between the nut and the toilet bowl, the washer being made of a low friction material;wherein the first segment, the second segment, and the shear segment of the nut are formed as a single piece;wherein the first segment includes an outer surface having a similar shape and size as an outer surface of the second segment such that both the first and second segments are configured to be engaged by a tool;wherein the nut further includes a ledge extending outwardly from the second segment, the ledge positioned between the shear segment and the outer surface of the second segment; andwherein the nut includes a neck segment extending from the first segment in the direction opposite the second segment, the neck segment including a projection allowing the washer to be snap-assembled around the neck segment. 2. The hinge assembly of claim 1, wherein the first segment includes internal threads for threading the nut onto the bolt, and wherein the second segment has an inner wall such that the second segment does not thread onto the bolt. 3. The hinge assembly of claim 1, wherein the washer is a first washer, and further comprising a second washer configured to surround the bolt between the nut and the toilet bowl, with the first washer engaging the toilet bowl and the second washer between the nut and the first washer, the second washer being made of a material dissimilar to that of the nut. 4. The hinge assembly of claim 3, wherein the first washer is either flat or frustoconical and the second washer is flat. 5. The hinge assembly of claim 1, wherein the neck segment includes at least two projections allowing the washer to be snap-assembled around the neck segment. 6. The hinge assembly of claim 1, wherein the washer includes a recessed area configured to receive the projection. 7. The hinge assembly of claim 1, wherein the first and second segments are hexagonal in cross-section, and wherein the shear segment has a lesser cross-sectional area than the first and second segments. 8. The hinge assembly of claim 1, wherein the hinge post is molded around the bolt to prevent the bolt from slipping out of the hinge post. 9. The hinge assembly of claim 8, wherein the hinge post includes a bushing configured to extend into and conform to the shape of the opening in the toilet bowl, and wherein the bolt extends through the bushing. 10. The hinge assembly of claim 1, wherein the nut is made of plastic. 11. A hinge assembly for a toilet seat, the hinge assembly comprising: a hinge post for pivotally supporting the toilet seat on a toilet bowl, the hinge post including a bushing configured to extend into an opening in the toilet bowl, the bushing being formed as a single piece with the hinge post and including a plurality of projections extending radially outward therefrom, the plurality of projections configured to deform as the bushing is inserted into the opening to conform to the shape of the opening;a bolt embedded in the hinge post to inhibit rotation of the bolt relative to the hinge post, the bolt configured to extend through the opening in the toilet bowl, the bolt having a head extending into the hinge post to distribute to the hinge post forces applied to the bolt, wherein the hinge post is molded around the head of the bolt to prevent the bolt from slipping out of the hinge post;a nut threadable onto the bolt about an axis to secure the hinge post to the toilet bowl, the nut having a first segment threadable onto the bolt, a second segment coaxial along the axis with the first segment, a shear segment coaxial along the axis with and connecting the first and second segments, and a ledge extending outwardly from the second segment, the first segment including an outer surface having a similar shape and size as an outer surface of the second segment such that both the first and second segments are configured to be engaged by a tool, the shear segment having a lower torque resistance than the first and second segments such that the shear segment breaks when the nut is rotated relative to the hinge post and torque applied to the second segment reaches a predetermined amount, the ledge being positioned between the shear segment and the outer surface of the second segment; anda washer configured to surround the bolt between the nut and the toilet bowl, the washer being made of a low friction material;wherein the first segment, the second segment, and the shear segment of the nut are formed as a single piece; andwherein the nut includes a neck segment extending from the first segment in the direction opposite the second segment, the neck segment including a projection allowing the washer to be snap-assembled around the neck segment.
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