Patent US4062577A successfully refreshed from Google Patents.
US4062577A
Expired / Lapsed
US
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Door holding apparatus
Assignee: Caterpillar Inc
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Filing: 1976-12-03
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Granted: 1977-12-13
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Expires: 1996-12-03
Abstract
Abstract A door holding apparatus has rotatable and pivotal holding means that is spring biased for contacting a catch and is positioned generally along a plane of an adjacent structure in a stored position and contacting and maintaining a door at a preselected location at a door holding position.
Inventors
- 👤 Max E. Butterfield
- 👤 Robert M. Alt, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:29
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/46; E05C17/50; Y; Y10; Y10T; Y10T292/00; Y10T292/28
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
125 words
Door holding apparatus for a door having a latch element for holding the door at a closed position, comprising: a housing; a supporting structure having a catch; means for pivotally connecting the housing to the supporting structure; and holding means connected to the housing for rotatable movement relative to the housing and pivotal movement relative to the supporting structure between a stored position at which the holding means is contacting the catch and the supporing structure and forcibly positioned therebetween and lying generally along a plane of the supporting structure and a door holding position at which the holding means is spaced from the catch and is in releasable, holding engagement with the door latch element and maintaining the door at a preselected open position.
Claim 2
Dependent Claim
125 words
Door holding apparatus for a door having a latch element for holding the door at a closed position, comprising: a housing; a supporting structure having a catch; means for pivotally connecting the housing to the supporting structure; and holding means connected to the housing for rotatable movement relative to the housing and pivotal movement relative to the supporting structure between a stored position at which the holding means is contacting the catch and the supporing structure and forcibly positioned therebetween and lying generally along a plane of the supporting structure and a door holding position at which the holding means is spaced from the catch and is in releasable, holding engagement with the door latch element and maintaining the door at a preselected open position.
Claim 3
Dependent Claim
75 words
Apparatus, as set forth in claim 1, wherein the holding means comprises: a holding element having first and second end portions and a middle portion, said first end portion being of a configuratin sufficient for fixedly, releasable mating with the door latch element, said second end portion extending into the housing, and said middle portion having an outwardly extending element mateable with the catch; and biasing means for biasing the holding element toward the housing.
Claim 4
Dependent Claim
30 words
Apparatus, as set forth in claim 2, wherein the holding element comprises first and second elements threadably connected one to the other at the middle portion of the holding element.
Claim 5
Dependent Claim
61 words
Apparatus, as set forth in claim 2, wherein the outwardly extending holding element is of a general "L " configuration and of a size sufficient for positioning one leg of the holding element between the supporting structure and a portion of the catch and the other leg in forcible contact with the catch at the stored position of the holding element.
Claim 6
Dependent Claim
27 words
Apparatus, as set forth in claim 1, wherein the holding means is pivotal along a preselected plane and rotatable about an axis extending generally along said plane.
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) | 1980-12-12 | 1981-06-13 | 1981-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-12 | 1985-06-13 | 1985-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-12 | 1989-06-13 | 1989-12-13 | $7700.00 | Window Closed / Lapsed |