Re-configurable bushing and drill incorporating same
A bushing and associated drill are provided that may be actuated either pneumatically or with a spring in order to be biased into contact with a structure, such as a multi-layer structure, to reduce gaps therewithin. The bushing includes a housing and a nose piece slidably disposed relative to the h...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
11.07.2006
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Online Access | Get full text |
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Abstract | A bushing and associated drill are provided that may be actuated either pneumatically or with a spring in order to be biased into contact with a structure, such as a multi-layer structure, to reduce gaps therewithin. The bushing includes a housing and a nose piece slidably disposed relative to the housing. The bushing also includes a gas inlet in communication with the internal cavity such that the nose piece may be pneumatically urged forwardly relative to the housing and into operable contact with the structure. The bushing may also include a mounting mechanism for releasably attaching the housing to a drill motor. The mounting mechanism permits the housing to be detached from the drill motor to access the internal cavity, thereby permitting a spring to be inserted that will bias the nose piece forwardly relative to the housing. Spring actuation may be an alternative or a supplement to pneumatic actuation. |
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AbstractList | A bushing and associated drill are provided that may be actuated either pneumatically or with a spring in order to be biased into contact with a structure, such as a multi-layer structure, to reduce gaps therewithin. The bushing includes a housing and a nose piece slidably disposed relative to the housing. The bushing also includes a gas inlet in communication with the internal cavity such that the nose piece may be pneumatically urged forwardly relative to the housing and into operable contact with the structure. The bushing may also include a mounting mechanism for releasably attaching the housing to a drill motor. The mounting mechanism permits the housing to be detached from the drill motor to access the internal cavity, thereby permitting a spring to be inserted that will bias the nose piece forwardly relative to the housing. Spring actuation may be an alternative or a supplement to pneumatic actuation. |
Author | Toh, Chin H Erickson, Chris J |
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References | Chaffee et al. (2854870) 19581000 Bent (2869403) 19590100 Yamaura et al. (5876156) 19990300 (346231) 19891200 Brooks (2811877) 19571100 Blankenship et al. (5927919) 19990700 Arai et al. (4997319) 19910300 McGlasson (5482411) 19960100 Clark et al. (5848859) 19981200 Otani et al. (5199830) 19930400 Ende et al. (5961258) 19991000 Bratten et al. (5404641) 19950400 Reccius (5161923) 19921100 De Groff (2860531) 19581100 Winslow (2935905) 19600500 Arai et al. (5024562) 19910600 Bratten et al. (5542796) 19960800 |
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Title | Re-configurable bushing and drill incorporating same |
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