Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.
Any discrepancies in the text and image of the Claims and Abstract are due to differing posting times. Text of the Claims and Abstract are posted:
(12) Patent: | (11) CA 1098137 |
---|---|
(21) Application Number: | 1098137 |
(54) English Title: | SOCKETED BOSS HAVING MEANS FOR RETAINING A TOOL SHANK |
(54) French Title: | TRADUCTION NON-DISPONIBLE |
Status: | Term Expired - Post Grant |
(51) International Patent Classification (IPC): |
|
---|---|
(72) Inventors : |
|
(73) Owners : | |
(71) Applicants : | |
(74) Agent: | GOWLING WLG (CANADA) LLP |
(74) Associate agent: | |
(45) Issued: | 1981-03-24 |
(22) Filed Date: | 1979-07-06 |
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 |
---|
ABSTRACT OF THE DISCLOSURE
A mineral mining pick boss having a socket
therein for the reception of a shank of a mineral mining
pick and a locking arrangement for retaining the shank,
the locking arrangement comprising a plug received in a
bore extending through the boss transversely of the
socket the arrangement being such that the bore intersects
the socket, the plug comprising a body of a resilient
material (e.g. neoprene) having bonded into the periphery
thereof at spaced locations a plurality of metallic
members one of which protrudes from the bore into the
socket for frictional engagement with the shank of the tool
so as to retain the tool in position, the other(s) of the
metallic members being disposed within the bore, and the
arrangement of the metallic members being such that the
plug may be removed from the bore, rotated and re-inserted
to change the metallic member which protrudes into the
socket.
- 1 -
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
Sorry, the representative drawing for patent document number 1098137 was not found.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Event History , Maintenance Fee and Payment History should be consulted.
Description | Date |
---|---|
Inactive: IPC deactivated | 2019-01-19 |
Inactive: IPC deactivated | 2019-01-19 |
Inactive: IPC assigned | 2018-07-10 |
Inactive: IPC assigned | 2018-07-10 |
Inactive: Expired (old Act Patent) latest possible expiry date | 1998-03-24 |
Grant by Issuance | 1981-03-24 |
There is no abandonment history.
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
---|
None |
Past Owners on Record |
---|
FREDERICK J. HERRIDGE |