Denture attachments for establishing a connection between a tooth and an adjoining denture include a female housing anchored in a tooth, a male connector assembly with a housing and an expandable insert. The housing is secured to the denture, and is of reduced height relative thereto, whereby a portion of the denture overlies the housing. The housing is secured to the denture, and the insert is engaged in the female housing. In a modification, the housing of the male connector assembly has means...

Lift attachment devices are described for detachably connecting an item to be lifted (e.g., a lawn mower) to lift apparatus (e.g., the type which includes an elevatable tool bar). The attachment devices each include a hanger for attaching the device to the tool bar and a clamp to detachably connect to the item to be lifted. The clamp support can be rotated relative to the hanger and then selectively locked in a desired position. The attachment devices enable a variety of items to be elevated by ...

Birdcage attachments are mountable to a birdcage and present a bird with a variety of interesting and challenging activities. The toy attachments encourage birds to learn by experimenting. As a bird manipulates some parts of the toy attachments, the bird will discover that the parts may be put into different positions and remain there until deciding to move them again. In most cases, the parts will not automatically return to their original state or position if the bird stops playing, challengin...

Apparatus for dispensing attachments from continuously connected ladder stock of the type comprising a pair of plastic side members coupled together by a plurality of plastic cross links includes a mount, a support movably mounted on the mount, and a pair of carrier blocks mounted on the support. A needle block is mounted on each carrier block and a hollow, slotted needle is mounted on each needle block. A feed mechanism including a pair of feed wheels, is mounted on said support for advancing t...

Method and apparatus for the dispensing of attachments. The attachments are fed from a continuous roll of stock into position where an individual attachment is separated from the stock. Thereafter the stock and the separated attachment are advanced so that the attachment enters a movable slide and the stock occupies the prior position of the severed attachment. The slide is then moved with respect to one or more output needles so that a plunger may force the attachment from the slide through the...

One or both ends of the connector bar is extended outwardly beyond the main section of the bar to which the attachments are mounted. The extended end provides access to the clip from the exterior of the attacher housing, permitting the clip to be manually advanced if the feed mechanism fails. An element may be situated on one extended end to facilitate grasping. In a clip having two connector bars, the ends of both bars extend in the same direction. The extended ends may be bent towards each oth...

Orthodontic brackets or other dental attachments are provided with particulate material on the tooth engaging surface thereof to improve the bonding of bracket to a tooth surface. The particulate material consists of metal spheres joined to each other and to the tooth engaging surface at their points of contact therewith.

A device for dispensing plastic attachments of the type which are formed as part of a roll of continuously connected ladder stock. In one embodiment, the device includes a pair of hollow slotted needles each having a tip, a rear end and a longitudinal axis. A feed wheel, placed proximate to the rear ends of the pair of needles, is used to feed individual attachments of a roll of ladder stock into the pair of needles through their respective rear ends at angles relative to the longitudinal axes t...

A level having a frame with a reference surface and a level sensor secured to the frame. The level includes one or more attachment devices that are detachably secured to the level. The one or more attachment devices may include a torpedo level, a second level sensor, a tape measure, a writing instrument, notepad, or other auxiliary device that may be used by a user of the level.

One or both ends of the connector bar is extended outwardly beyond the main section of the bar to which the attachments are mounted. The extended end provides access to the clip from the exterior of the attacher housing, permitting the clip to be manually advanced if the feed mechanism fails. An element may be situated on one extended end to facilitate grasping. In a clip having two connector bars, the ends of both bars extend in the same direction. The extended ends may be bent towards each oth...