Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7644500 | Method of setting the pre-load for a ball socket joint A method for assembling a ball and socket assembly (10) includes loading a housing (14) with a resilient preload washer (28), an inner bearing (30), a ball stud (12) and an outer bearing (36). A loading tool (50) forc... | 01/12/2010 |
| 7600321 | Method of swaging a spherical bearing A method of swaging a spherical bearing comprising a ball and a bearing housing, the method comprising: providing a ball and a bearing housing to be swaged around the ball; creating a temperature differential between the temperature of the housing and the temperatur... | 10/13/2009 |
| 7370400 | Method of and device for assembling a constant velocity joint A method of and device for assembling joint components of constant velocity joints wherein into an annular first joint component with a greater diameter and a first longitudinal axis, there is introduced an annular or star-shaped second joint component with a smalle... | 05/13/2008 |
| 7260878 | Ball joint A ball joint includes: a ball stud having a spherical ball part and a shank part extending from the spherical ball part; a bearing cupping the spherical ball part of the ball stud; and a housing holding the bearing therein. The housing is provided with a recess in a... | 08/28/2007 |
| 7194805 | Method of manufacturing a post ball bearing with helical arrangement of pocket holes A post bearing and method of manufacture in which bearing balls are loaded into a series of pocket holes arranged along a helical pattern in a sleeve cage. A single groove is swaged into the outside diameter of the sleeve intermediate the ball turns to capture the b... | 03/27/2007 |
| 6018872 | Method for pressing a preassembled ball joint cartridge into a bearing eye of a tie rod end A method is disclosed for pressing a preassembled ball joint cartridge into a bearing eye of a tie rod end, with the ball joint cartridge comprising a ball joint pin, a bearing shell surrounding the joint ball, and a bearing housing that surrounds the bea... | 02/01/2000 |
| 5483744 | Method for fabricating a bearing with semi-rhythmic ball spacing A method and apparatus which provides a bearing design with an irregular or semi-rhythmic ball spacing. The method of the invention includes the steps of a) choosing an initial pattern for the position of the balls with an arbitrary irregular spacing ther... | 01/16/1996 |
| 5469620 | Method of assembling a bearing A flat, thin ring is formed into a modified ring having bridge material between adjacent, initial ball pockets. Movable anvils having a rounded surface are positioned within the initial ball pockets and the bridge material is flattened such that a flat br... | 11/28/1995 |
| 5404642 | Method of assembling a bearing A flat, thin ring is formed into a modified ring having bridge material between adjacent, initial ball pockets. Movable anvils having a rounded surface are positioned within the initial ball pockets and the bridge material is reformed such that a substant... | 04/11/1995 |
| 5345679 | Method of making plastic ball sleeve assembly A method of making a plastic ball sleeve assembly includes the steps of forming a flat plastic sleeve blank, cold forming a plurality of ball sockets in the sleeve blank, cold forming a plurality of integral living hinges in the sleeve blank, inserting re... | 09/13/1994 |
| 5291655 | Method of making a one-piece ball bearing retainer Material is first formed into a flat ring. Ball receiving pockets are formed in the flat ring leaving bridge material between adjacent pockets. Bridge material between adjacent pockets is flattened such that the bridge material spreads to meet the adjacen... | 03/08/1994 |
| 5284398 | Pillow ball joint and method of making the joint A joint comprising a pillow ball having a spherical portion, a bearing for rotatably supporting the spherical portion, and a housing for housing the bearing. The housing has therein a housing bore having a first step for contacting one end of the bearing,... | 02/08/1994 |
| 5116159 | Ball and socket joint assembly A ball and socket joint assembly incorporates an internal preload whereby a relatiely constant torque may be realized over the useful life of the assembly. In a preferred form, the assembly includes a housing having a ball socket cavity, a ball, a pair of... | 05/26/1992 |
| 4916788 | Method of manufacturing ball joint A method of manufacturing a ball joint serves to reduce the cost for producing the joint. In the method, while a ball portion of a ball stud of the ball joint is being placed in a mold, a socket is cast-molded in such a manner that the socket will form an... | 04/17/1990 |
| 4875794 | Preloaded steering ball joint assembly and method A preloaded steering ball joint assembly provides a system wherein relatively constant torque may be realized over the useful life of the joint. In a preferred form, the joint assembly includes a housing having a ball socket cavity, and a ball and a shaft... | 10/24/1989 |
| 4606668 | Axial ball joint for articulated linkages in motor vehicles and method of fabricating same An axial ball joint is fabricated from a housing having a substantially cylindrical outer surface and a cylindrical cavity which ends at an opening defined by a rim portion of the housing. The rim portion has a larger accumulation of material than elsewhe... | 08/19/1986 |
| 4597150 | Method of and apparatus for closing joint devices to obtain consistent torque values The assembling of a ball joint to obtain a consistent torque reaction value of a desired level is accomplished by applying a torque responsive probe to the shank of a headed stud such that the rotation of the headed stud will develop a signal proportional... | 07/01/1986 |
| 4520546 | Method for fabricating a ball joint assembly including a step for burr removal The invention pertains to a ball joint assembly which includes a ball stud received in a swivel socket of a supporting body. Some of such assemblies are classed as quick disconnects, meaning that the ball stud may be conveniently assembled and disassemble... | 06/04/1985 |
| 4498799 | Ball and socket joint and method of forming it A ball and socket joint for use in mechanical linkages, especially for ball-ended connecting rods in a multi-cylinder hydraulic pump comprises a ball head forcibly inserted into a socket which extends over more than a hemisphere and which is formed as a c... | 02/12/1985 |
| 4428105 | Bearing staking tool and method A C-shaped member having a threaded aperture formed through one end and a smooth surface aperture formed through the other end. A threaded rod extends through the threaded aperture with the threads of the rod mating relationship with the threads in the th... | 01/31/1984 |
| 4337559 | Rod end and a method and apparatus for the manufacture thereof A rod end bearing is disclosed which comprises a spherical ball, a raceway and a supporting body. The raceway and the body are joined by body material being upset to engage chamfered surfaces at the outer extremities of the raceway. The method includes th... | 07/06/1982 |
| 4164063 | Process for making bearing locking collar A process of making a locking collar for retaining bearings on a shaft by first compacting and sintering powdered metal to form a collar having an eccentric counterbore with a relative precise chamfered surface on the collar end around the counterbore. Th... | 08/14/1979 |
| 4089095 | Seal means for a self-aligning bearing and method of making the same The invention contemplates elastomeric-seal application to the so-called plain-spherical variety of self-aligning bearing wherein the outer ring is the product of a swaging operation which causes it to conform its cylindrical bore to a spherical surface a... | 05/16/1978 |
| 4038733 | Method of manufacturing a self-aligning bearing with a deformable inner member A self-aligning bearing assembly comprising an outer member having a concave inner surface and an inner member carried within the outer member and having a convex outer surface generally complementary to the concave inner surface, the inner member being a... | 08/02/1977 |
| 3969803 | Method of manufacturing spherical bearing A method of manufacturing a spherical bearing having an outer cylindrical member, an intermediate yieldable plastic member enclosed and supported thereby, said intermediate member having a concave inner surface and a spherical ball in bearing relationship... | 07/20/1976 |