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Patent 24977 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 24977
(21) Application Number: 24977
(54) English Title: HOISTING MACHINE
(54) French Title: ASCENSEUR
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • ROBERTSON, ALEXANDER (Canada)
  • ROBERTSON, JAMES (Canada)
(73) Owners :
  • ALEXANDER ROBERTSON
  • JAMES ROBERTSON
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1886-09-21
(22) Filed Date:
Availability of licence: N/A
Dedicated to the Public: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None

Abstracts

Sorry, the abstracts for patent document number 24977 were not found.

Claims

Note: Claims are shown in the official language in which they were submitted.

Claim lst. In a hoisting machine, in which the power is applied to the top of a vertical shaft, the bracket or frame A; A, placed longitudinally, in which is journalled or otherwise secured the main or drum shaft S. the vertical shaft B. and the shaft I, substantially as and, for the purpose specified. 2nd. In a hoisting machine, in which the power is applied through a vertical shaft, a gear C secured to the vertical shaft, and having two bevel faces with cog gearing formed thereon. substantially as and for the purpose specified. 3rd. In a hoisting machine, in which the motive power as communicated to the rope drums through an adjustable friction clutch, a gear wheel F journalled upon the drum shaft, and having formed upon or attached to it an annular flange f to engage with a friction belt, substantially as and for the purpose specified. 4th. In a hoisting machine, in which the drums are journalled upon the shaft, the drum shaft S rigidly secured to the frame, substantially as and for the purpose specified. 5th. In a hoisting 'machine, In which the motive power is communicated to the rope drums through an adjustable friction clutch, a friction belt J haring two or more turns around a friction flange, one end of the belt being rigidly attached to the drum and the other end to a swinging arm, substantially as and for the purpose specified. 6th. In a hoisting machine, in which the motive power is communicated to the rope drums through an adjustable friction clutch, a sleeve L having an angular or curved groove or grooves formed upon or attached to its periphery, substantially as and for the purpose specified.
Description

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Representative Drawing

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Administrative Status

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Event History

Description Date
Inactive: Expired (old Act Patent) latest possible expiry date 1904-09-21
Grant by Issuance 1886-09-21

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
ALEXANDER ROBERTSON
JAMES ROBERTSON
Past Owners on Record
None
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
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