Patent US3814229A successfully refreshed from Google Patents.
US3814229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data output printer
Assignee: TA Triumph-Adler GmbH
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Filing: 1972-04-21
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Granted: 1974-06-04
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Expires: 1992-04-21
Abstract
Abstract Rotatably driven type wheels carrying type characters on the periphery thereof are supported resiliently about a normal operating axis for movement to a printing position to impact a selected type character against a recording medium. The movement of the type wheel to the printing position is accomplished by engaging a relatively stationary stop member with an abutment on the type wheel to stop the normal rotational movement of the type wheel and enable the associated rotational kinetic energy to pivot the type wheel about the stop member to impact the selected type character against the recording medium at the printing position. To ensure full engagement of the stop member with the abutment on the type wheel and reduce the accompanying stresses, the stop member yieldably engages the abutment prior to stopping the normal rotational movement of the type wheel.
Inventors
- 👤 H Kohlhage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:48
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/22; B41J1/32; B41J1/40; B41J1/42; G; G06; G06K; G06K15/00; G06K15/02; G06K15/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
253 words
In a printing machine having a type wheel resiliently supported about an axis at a normal operating position for being rotatably driven, a type character on the periphery of the type wheel for impacting against a recording medium at a printing position spaced apart from the normal operating position, a stop abutment on the type wheel operably associated with the type character and radially spaced from the axis of rotation of the type wheel, and a stop engaging means into engagement with the stop abutment in response to a signal to print the associated type character by enabling rotational kinetic energy associated with the type wheel to pivot the type wheel about the stop engaging means and displace the axis of rotation of the type wheel from the axis at the operating position, the improvement comprising: said stop engaging means including a stop member having a stop portion for engaging the stop abutment of said type wheel and being pivotally supported about a pivot point fixedly spaced from said axis at the normal operating position for pivotal movement into engagement with the stop abutment, and said stop engaging means further including resilient means resiliently flexing in response to the force of said type wheel upon engagement of the stop portion with the stop abutment for enabling said stop member to undergo a yielding movement while said type wheel pivots about the stop portion during movement from the normal operating axis to impact the type character against the recording medium at the printing position.
Claim 2
Dependent Claim
253 words
In a printing machine having a type wheel resiliently supported about an axis at a normal operating position for being rotatably driven, a type character on the periphery of the type wheel for impacting against a recording medium at a printing position spaced apart from the normal operating position, a stop abutment on the type wheel operably associated with the type character and radially spaced from the axis of rotation of the type wheel, and a stop engaging means into engagement with the stop abutment in response to a signal to print the associated type character by enabling rotational kinetic energy associated with the type wheel to pivot the type wheel about the stop engaging means and displace the axis of rotation of the type wheel from the axis at the operating position, the improvement comprising: said stop engaging means including a stop member having a stop portion for engaging the stop abutment of said type wheel and being pivotally supported about a pivot point fixedly spaced from said axis at the normal operating position for pivotal movement into engagement with the stop abutment, and said stop engaging means further including resilient means resiliently flexing in response to the force of said type wheel upon engagement of the stop portion with the stop abutment for enabling said stop member to undergo a yielding movement while said type wheel pivots about the stop portion during movement from the normal operating axis to impact the type character against the recording medium at the printing position.
Claim 3
Dependent Claim
79 words
In a printing machine according to claim 1, said stop member being constructed from a resilient material and said resilient means being in the form of a bend in said stop member between the stop portion and the pivot point fixedly located from the axis at the normal operating position for resiliently deforming upon engagement of the stop portion with said stop abutment prior to stopping the normal rotational movement of said type wheel about the normal operating axis.
Claim 4
Dependent Claim
98 words
In a printing machine according to claim 1: said stop member being supported for slidable movement about the pivot point fixedly spaced from the axis at the normal operating position, said resilient means being in the form of biasing means for slidably urging said stop member in one direction about the pivot point, and said stop member being slidably movable in an opposite direction against the urging of said resilient biasing means to yieldably engage said stop abutment on said type wheel prior to stopping the normal rotational movement of said type wheel about the normal operating axis.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |