GB1258523A - - Google Patents

Info

Publication number
GB1258523A
GB1258523A GB1258523DA GB1258523A GB 1258523 A GB1258523 A GB 1258523A GB 1258523D A GB1258523D A GB 1258523DA GB 1258523 A GB1258523 A GB 1258523A
Authority
GB
United Kingdom
Prior art keywords
pick
cylindrical
bore
pin
latch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1258523A publication Critical patent/GB1258523A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders

Abstract

1,258,523. Mineral-mining pick boxes. PADLEY & VENABLES Ltd. 28 Oct., 1970 [10 Nov., 1969], No. 54884/69. Addition to 1,170,979. Heading E1F. The cylindrical, flat ended latch pin of the pick box combination of Parent Specification is now replaced by a latch element 6 having a pick shank-engaging, hemispherical convex end 10. The element may be a cylindrical pin 7, or a spherical ball alone or secured to one end of a cylindrical rod, or of a "test tube" like form; may be bonded in a block of resilient material 8 that is a press fit in a blind bore or is mounted in a plug 9 screwably entered into a bore in a pick box 4.
GB1258523D 1969-11-10 1969-11-10 Expired GB1258523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5488469 1969-11-10

Publications (1)

Publication Number Publication Date
GB1258523A true GB1258523A (en) 1971-12-30

Family

ID=10472355

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258523D Expired GB1258523A (en) 1969-11-10 1969-11-10

Country Status (3)

Country Link
DE (1) DE2054490A1 (en)
FR (1) FR2099024A6 (en)
GB (1) GB1258523A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880247A (en) * 1987-06-06 1989-11-14 Anderson Strathclyde Plc Cutting tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880247A (en) * 1987-06-06 1989-11-14 Anderson Strathclyde Plc Cutting tools

Also Published As

Publication number Publication date
DE2054490A1 (en) 1971-05-19
FR2099024A6 (en) 1972-03-10

Similar Documents

Publication Publication Date Title
ES2083510T3 (en) COUPLING DEVICE.
CA929440A (en) Aqueous suspension
GB1037570A (en) Tube couplings
GB1258523A (en)
AT313652B (en) Self-aligning, spherical rod end joint bearing
IL31626A0 (en) Aqueous suspension fertilizers
IE34404L (en) Grinding of minerals
CA933885A (en) Uncoupling rod assembly
GB1367711A (en) Drill rod coupling
GB1142858A (en) Screw anchor devices
MY7500251A (en) Sulfamoyl-1,3,4-thiadiazoles and their use as agricultural pesticides
FR1537889A (en) Agricultural or other trailer, the load of which can tip on any of its four sides
GB1144434A (en) Improvements in or relating to pick box assemblies
GB977025A (en) Improvements in and relating to ball and socket joints
USD218260S (en) Rubber curbing assembly or the like
MTP624B (en) Novel substituted acylates and propinates,and their use as pesticides
Whyte Reciprocal role understanding between teacher and counselor: the key to cooperation
GB1191062A (en) Ball Joint
CA602123A (en) Converging melt-spun filaments with convex aqueous surface
IL34003A0 (en) 1,3-dithiolanyl-oximidocarbamates,their preparation and use as pesticides
GB1285751A (en) Joint structure
GB1104924A (en) Improvements in or relating to mining pick securing means
FR1503065A (en) Articulation member with application in particular to shock absorbers
CA824502A (en) Uncoupling rod arrangement
GB1137735A (en) Ball joints

Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years