Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7914410 | Bicycle chain connecting link A bicycle chain connecting link basically has a first link plate, a second link plate, a first link pin and a second link pin. The first link plate has a longitudinal slot. The second link plate has a pair of pin attachment openings. The first and second link pins e... | 03/29/2011 |
| 7722492 | Closing link for a bicycle chain A closing link for a bicycle chain that includes a first outer link plate having a first elongated hole and a first chain pin extending therefrom and a second outer link plate having a second elongated hole and a second chain pin extending therefrom. The first chain... | 05/25/2010 |
| 6364799 | Quick-connection link, for a bicycle chain A quick-connection link for a bicycle chain, comprises a pair of plates, a pair of tubular articulating pins secured to one of the aforementioned plates, and a pair of quick-coupling pegs that are received in tubular pins and are gripped inside them to pr... | 04/02/2002 |
| 5966923 | Chain A conventional chain capable of reserving lubricating oil is complex in shape and expensive since each chain plate is formed with countersunk recesses and through-openings. Since the recesses are formed in an overlap region, the chain tends to rattle, pro... | 10/19/1999 |
| 5711733 | Power transmission chain It is envisaged in the case of a power transmission chain (1) for guiding cables, hoses and the like in a cavity surrounded by the chain links, with several chain straps (2, 3) which can be connected in detachable fashion by upper and lower cross-members,... | 01/27/1998 |
| 5445569 | Power transmission chain In a power transmission chain, each link of which displays two side walls and a stabilizing element joining these at their lower longitudinal edges, as well as a cover which can be snapped onto the upper longitudinal edges, where consecutive links are joi... | 08/29/1995 |
| 5009630 | Chain formed by link elements of identical shape A chain includes a plurality of identical link elements each including a main body part with a cantilevered connecting part integrally formed at one end thereof. The connecting part includes an enlarged rounded head portion and a narrower neck portion ext... | 04/23/1991 |
| 4960403 | Bicycle drive chain A drive chain for use in a bicycle having a change-speed apparatus for example. In order to improve the engageability of the chain both in the chain running direction and in the chain deflecting direction for a change speed operation, the chain is constru... | 10/02/1990 |
| 4932927 | High strength, non-metallic transmission chain A link assembly for a lightweight, non-metallic, conveyor or load transmission chain having significantly greater strength and other performance improvements compared to previous non-metallic chain links is disclosed. Each link assembly includes: a pair o... | 06/12/1990 |
| 4597747 | Detachable link chain A transmission or conveyor chain composed of a plurality of interconnected identical links which are attachable and detachable without need for pivot pins or other separate connecting hardware. Each link is preferably molded as a unitary structure of plas... | 07/01/1986 |
| 4545098 | Pin or clip chain for web tensioning or stretching machines Pin or clip chain for web tensioning machines, including a pin or clip chain link, a connection chain link, a connection pin holding the links together, the pin or clip chain link having a C-shaped box section with a side disposed in a given plane having ... | 10/08/1985 |
| 4306753 | Articulated chain with mid-pitch drive and replaceable drive bushing An improved articulate chain (10) including pivotally interconnected sections (12,14,16) of spaced, coacting links (18,20,22) having the chain driving members (54) intermediate the pivot connections (58,60) to reduce the chain loads thereon. The links (18... | 12/22/1981 |
| 4267691 | Chain having pivot pins also preventing disassembly The center link of a trolley conveyor chain of thermoplastic construction is provided with a bushing insert for the pin which is pivotable on oppositely projecting studs of the center link. The studs also prevent the free movement of the pin in the slot a... | 05/19/1981 |
| 4266435 | Segmental roller drive chain The chain has laminated, laterally flexible link members interconnected by pairs of rocker-joint bearing members. The laminated links freely engage and are retained by transversely spaced notches in the bearing members, which also engage drive sprocket te... | 05/12/1981 |
| 4263779 | Pin for rivetless chain A T-headed pin for use in rivetless chain, generally of the trolley conveyor type, is disclosed. The pin can entirely replace the conventional forged pin of any ordinary size and has superior design matching abilities. It is unique in that it is construct... | 04/28/1981 |
| 4250764 | Non-metallic sprocket chain having quick detachable, twist-locking pivot pins A sprocket chain for use in a normally corrosive environment is made up of identical, clevis-type links of synthetic resin composition pivotally connected by quick detachable, twist-locking pivot pins also of synthetic resin composition. The links are eac... | 02/17/1981 |
| 4198814 | Chain having disassembly detent A chain of the trolley conveyor type has T-headed pins and links with slots at each chain joint for assembly and disassembly wherever desired. The slots of the center link are slightly restricted to prevent disassembly when not desired, as in handling the... | 04/22/1980 |
| 4143512 | Anti-collapsing chain having loop center link A chain has alternately arranged center links and sidebars that are interconnected by pins of a predetermined diameter. An elongated opening is provided in each center link for receiving two pins. Adjacent each end of the elongated opening, lugs project f... | 03/13/1979 |
