US3759072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock
Assignee: Individual
•
Filing: 1971-05-07
•
Granted: 1973-09-18
•
Expires: 1991-05-07
Abstract
Abstract A locking mechanism for a variety of uses is disclosed. The mechanism consists of a lock housing and one or more flatbottomed slots in the housing to receive a flange or flanges from an article or articles to be secured to the housing and a keyoperated locking shaft reciprocally mounted for movement across each of the slots. The locking mechanism may be used in a manner comparable to a padlock or may be secured to a supporting structure such as a motorcycle and be used to secure articles such as a safety helmet to the motorcycle.
Inventors
- 👤 Larnon R Mc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:16
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/46; E05B65/462; E05B65/467; B; B62; B62J; B62J11/00; B62J11/24; E05B67/00; E05B67/36; E05B73/00; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/437; Y10T70/439; Y10T70/441; Y10T70/50; Y10T70/5009; Y10T70/5013; Y10T70/5093; Y10T70/5097; Y10T70/5128; Y10T70/5155; Y10T70/5199; Y10T70/5204; Y10T70/5212
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
220 words
A lock assembly for securing a safety helmet to an open vehicle, such as a motorcycle, motorbike, and the like to prevent theft or dislodgement of the helmet, the helmet being provided with a plate secured thereto and an aperture in the plate, the plate having a substantially flat bottom edge, the plate being secured to the surface of the helmet and substantially flush therewith, the lock consisting of a lock housing having means to secure the housing to the vehicle, and a slot in the housing, the slot having a width to snugly receive the plate therein and a substantially flat bottom to receive the substantially flat bottom edge of the plate thereagainst, and a locking shaft carried in the housing and mounted for reciprocal movement across the slot to engage in the aperture in the plate, and a spring in the housing urging the locking shaft across the slot and a pin secured to the shaft and projecting outwardly through the housing permitting manual retraction of the locking shaft from across the slot to enable positioning or removal of the plate with respect to the slot, and a rotatable key cylinder carried by the housing and selectively rotatable by means of a key to a locking position to prevent retraction of the locking shaft from across the slot.
Claim 2
Dependent Claim
220 words
A lock assembly for securing a safety helmet to an open vehicle, such as a motorcycle, motorbike, and the like to prevent theft or dislodgement of the helmet, the helmet being provided with a plate secured thereto and an aperture in the plate, the plate having a substantially flat bottom edge, the plate being secured to the surface of the helmet and substantially flush therewith, the lock consisting of a lock housing having means to secure the housing to the vehicle, and a slot in the housing, the slot having a width to snugly receive the plate therein and a substantially flat bottom to receive the substantially flat bottom edge of the plate thereagainst, and a locking shaft carried in the housing and mounted for reciprocal movement across the slot to engage in the aperture in the plate, and a spring in the housing urging the locking shaft across the slot and a pin secured to the shaft and projecting outwardly through the housing permitting manual retraction of the locking shaft from across the slot to enable positioning or removal of the plate with respect to the slot, and a rotatable key cylinder carried by the housing and selectively rotatable by means of a key to a locking position to prevent retraction of the locking shaft from across the slot.
Claim 3
Dependent Claim
42 words
The lock assembly for securing a safety helmet to an open vehicle according to claim 1, further characterized by key cylinder being mounted in the lock housing with the axis of the key cylinder being normal to the plane of the slot.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |