Patent US3854536A successfully refreshed from Google Patents.
US3854536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adapter for fluid operated driving tool
Assignee: Individual
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Filing: 1974-02-25
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Granted: 1974-12-17
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Expires: 1994-02-25
Abstract
Abstract An adapter for mounting on a fluid operated driving tool which prevents operation of the tool until a predetermined condition has been attained, the condition being that the workpiece being driven must encounter substantial resistance to penetration of the base material.
Inventors
- 👤 R Hallock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:06
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/008
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
230 words
Apparatus for use with a tool having a power driven member for driving a fastener into a media which provides a predetermined resistance to the penetration of the fastener, said apparatus comprising holder means mounted for reciprocation coaxially of the power driven member and having a fastener engaging portion which is normally spaced outwardly of said power driven member, said holder means being constructed and arranged to permit said power driven member to contact the fastener without obstruction from said holder means, spaced inner and outer stop means limiting the movement of said holder means, resilient means normally urging said holder means toward said outer stop means, said holder means being movable toward said inner stop means upon engagement of the fastener with media of predetermined resistance prior to operation of said driving member, said resilient means not permitting movement of said holder means in media of less than said predetermined resistance, and linkage engaged by said holder means and conditioning said tool in non-driving state unless said holder means has moved to said inner stop means, whereby said fastener may be blind-nailed through an overlying media of less than said predetermined resistance into an underlying media having areas of greater and areas of less than said predetermined resistance and said power driven member will operate only when the fastener engages underlying media which is greater than said predetermined resistance.
Claim 2
Dependent Claim
230 words
Apparatus for use with a tool having a power driven member for driving a fastener into a media which provides a predetermined resistance to the penetration of the fastener, said apparatus comprising holder means mounted for reciprocation coaxially of the power driven member and having a fastener engaging portion which is normally spaced outwardly of said power driven member, said holder means being constructed and arranged to permit said power driven member to contact the fastener without obstruction from said holder means, spaced inner and outer stop means limiting the movement of said holder means, resilient means normally urging said holder means toward said outer stop means, said holder means being movable toward said inner stop means upon engagement of the fastener with media of predetermined resistance prior to operation of said driving member, said resilient means not permitting movement of said holder means in media of less than said predetermined resistance, and linkage engaged by said holder means and conditioning said tool in non-driving state unless said holder means has moved to said inner stop means, whereby said fastener may be blind-nailed through an overlying media of less than said predetermined resistance into an underlying media having areas of greater and areas of less than said predetermined resistance and said power driven member will operate only when the fastener engages underlying media which is greater than said predetermined resistance.
Claim 3
Dependent Claim
119 words
Apparatus for use with a tool having a power driven member for driving a fastener into a media which provides a predetermined resistance to the penetration of the fastener, said apparatus comprising a body, means for mounting said body on said tool, a head carried by said body, holder means movably mounted within said head, resilient means normally urging said holder means away from said body under a predetermined force, said holder means adapted to removably support a fastener having a stem extending outwardly of said head, and safety means actuated by said holder means to prevent operation of said tool until the fastener engages a media which provides sufficient resistance to overcome the force of said resilient means.
Claim 4
Dependent Claim
119 words
Apparatus for use with a tool having a power driven member for driving a fastener into a media which provides a predetermined resistance to the penetration of the fastener, said apparatus comprising a body, means for mounting said body on said tool, a head carried by said body, holder means movably mounted within said head, resilient means normally urging said holder means away from said body under a predetermined force, said holder means adapted to removably support a fastener having a stem extending outwardly of said head, and safety means actuated by said holder means to prevent operation of said tool until the fastener engages a media which provides sufficient resistance to overcome the force of said resilient means.
Claim 5
Dependent Claim
34 words
The structure of claim 2 in which said holder means includes an axial opening of a size to permit passage of the power driven member of the tool therethrough into engagement with the fastener.
Claim 6
Dependent Claim
18 words
The structure of claim 2 in which said holder means includes a magnet which releasably holds the fastener.
Claim 7
Dependent Claim
53 words
The structure of claim 2 in which said safety means includes a post fixed to said holder means and slidably mounted in said body, and linkage connected to said post and conditioning the operating mechanism of the tool to inoperative position until said holder means has overcome the force of said resilient means.
Claim 8
Dependent Claim
20 words
The structure of claim 2 including stop means spaced a predetermined distance apart to limit movement of said holder means.
Claim 9
Dependent Claim
168 words
Apparatus for use with a tool having a power driven member for blind driving a fastener into a relatively high density media and which is overlaid by a relatively low density media, said apparatus comprising a body, a head carried by said body, holding means movably mounted on said head, said holding means adapted to removably support a fastener having the stem extending outwardly of said head, resilient means normally positioning said holding means away from the body with a force greater than the force required for the fastener to penetrate the low density media, said holding means being movable toward said body upon engagement of The fastener with the relatively high density media but not upon engagement of the fastener with said relatively low density media, and safety means actuated by said holding means to prevent operation of said tool until the fastener engages the relatively high density media and said holding means is moved toward the body with a force sufficient to overcome said resilient means.
Claim 10
Dependent Claim
168 words
Apparatus for use with a tool having a power driven member for blind driving a fastener into a relatively high density media and which is overlaid by a relatively low density media, said apparatus comprising a body, a head carried by said body, holding means movably mounted on said head, said holding means adapted to removably support a fastener having the stem extending outwardly of said head, resilient means normally positioning said holding means away from the body with a force greater than the force required for the fastener to penetrate the low density media, said holding means being movable toward said body upon engagement of The fastener with the relatively high density media but not upon engagement of the fastener with said relatively low density media, and safety means actuated by said holding means to prevent operation of said tool until the fastener engages the relatively high density media and said holding means is moved toward the body with a force sufficient to overcome said resilient means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-16 | 1978-06-17 | 1978-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-16 | 1982-06-17 | 1982-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-16 | 1986-06-17 | 1986-12-17 | $7700.00 | Window Closed / Lapsed |