Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 5460678 | Process of making radial lip seal A radial lip seal for sealing about a pin of a hinge joint is disclosed. Such seal includes an outer mounting ring, a rubber flex ring mounted inside the mounting ring, a tension ring mounted inside the flex ring, and an inner elastomeric seal ring mounte... | 10/24/1995 |
| 5380016 | Radial lip seal A radial lip seal for sealing about a pin of a hinge joint is disclosed. Such seal includes an outer mounting ring, a rubber flex ring mounted inside the mounting ring, a tension ring mounted inside the flex ring, and an inner elastomeric seal ring mounte... | 01/10/1995 |
| 4961667 | Pivot joint for loader linkages and the like A maintenance-free pivot joint is disclosed for mounting a first member of a loader linkage to a second member thereof. The first member is provided with a clevis having a pair of brackets. The pivot joint includes a pivot pin which is pivotally mounted w... | 10/09/1990 |
| 4428589 | Dual operating mode seal assembly A dual operating mode seal assembly (10) wherein a frictional force maintains a seal ring (50) in a static sealing mode during either movements of a member (16) being sealed to eliminate frictional and abrasive wear to the seal ring (50) and member (16). ... | 01/31/1984 |
| 4422650 | Flexible seal assembly A flexible seal assembly 10 is provided for a joint 12 having a first member 15 which is both pivotable about and axially movable along an axis 20 relative to a second joint member 16. The seal assembly 10 is disposed within an annular recess 22 of the fi... | 12/27/1983 |
| 4382634 | Material fracturing apparatus An impacting apparatus (10) for fracturing material includes a housing (14) and a fracturing shank (12) which is mounted adjacent the housing (14) so as to reciprocate about a pivot axis (24). The fracturing shank (12) has an impact receiving portion (28)... | 05/10/1983 |
| 4345772 | Constant strain boot seal An elastomeric seal apparatus (16) having an inner annular terminating portion (36) which is attachable to a first (12) member, an outer annular terminating portion (38) which is attachable to a second (14) member, and an annular convoluted flexible porti... | 08/24/1982 |
| 4331339 | Seal assembly having a plastic annular sealing member with an integral sealing lip End face seal assemblies (10) are commonly used in severe service environments to exclude external contaminants from joints (12) between relatively movable members (14, 22) and to retain lubricants therein. Recurring problems associated with end face seal... | 05/25/1982 |
| 4327921 | Pressure balanced - constant engagement force seal A seal apparatus (40) for sealing between relatively rotatable structures (12,14) is provided and has a pair of seal rings (62,64) which are engageable at axial sealing face portions (70,72). Axially facing surfaces (78,80) of the first seal ring (62) are... | 05/04/1982 |
| 4284281 | Joint sealing structure PCT No. PCT/WS80/00166 Sec. 371 Date Feb. 19, 1980 Sec. 102(e) Date Feb. 19, 1980 PCT Filed Feb. 19, 1980 A joint sealing structure (12) including an annular seal ring (23) having a sealing portion (28) provided with a sealing lip (31) having a dynamic se... | 08/18/1981 |
| 4275890 | Seal with stiffened force-transmitting portion PCT No. PCT/US79/00505 Sec. 371 Date July 16, 1979 Sec. 102(e) Date July 16, 1979 PCT Filed July 16, 1979 PCT Pub. No. WO81/00293 PCT Pub. Date Feb. 5, 1981 A sealing structure (10,110) for use in a joint (11) having a first member (12) axially movable re... | 06/30/1981 |
| 4256316 | Joint sealing structure PCT No. PCT/US79/00844 Sec. 371 Date Oct. 15, 1979 Sec. 102(e) Date Oct. 15, 1979 PCT Filed Oct. 15, 1979 A joint sealing structure (19,119,219) for use in sealing relatively axially movable members (11,14) of a joint (10) over a wide range of such axial ... | 03/17/1981 |
| 4151999 | Shaft seal A shaft seal assembly has an elastomer load ring seated in an annular groove provided in an organic plastic sealing ring. The sealing ring is constructed to provide greater unit loading at the outer edges of the sealing surface than at the remainder of th... | 05/01/1979 |
| 4051920 | Method and apparatus for vacuum evacuation and pressure fillings of sealed pin joints An apparatus and method for vacuum evacuation and pressure filling of a lubricant reservoir are provided which includes a sequence timing and shutoff mechanism for controlling evacuation, testing for air leaks, and filling with lubricant. Visual indicatio... | 10/04/1977 |
| 4034618 | Noise reducing apparatus for track type vehicle drive sprockets and means for attaching same Apparatus is provided for reducing the noise generated by the meshing of an endless track and a drive sprocket of a track type vehicle including a pair of annular treads of resilient material. The treads are mounted about the peripheries of a respective o... | 07/12/1977 |
| 3995357 | Integrally cast bearing, method and apparatus for making same The invention relates to a process for forming a part including a bore with a bearing integrally cast thereto, the thus formed part and apparatus for thus forming the part. The process includes hot machining a bore into a billet in a non-oxidizing atmosph... | 12/07/1976 |
| 3989314 | Wheel of track assembly of a crawler type vehicle A wheel of a track assembly of a crawler type vehicle has a resilient contacting element fixed about the wheel rim by first and second anchors. The anchors are slidably movable along angular end portions of a rim opening for securing the contacting elemen... | 11/02/1976 |
| 3985402 | Cushioned track roller for track-type vehicles A track-type tractor comprises a pair of track roller frames disposed on either side thereof and an endless track entrained about each frame to engage a plurality of longitudinally spaced track rollers. Each roller is rotatably mounted on a shaft having a... | 10/12/1976 |
