PL293126A1 - Self-advancing straight-line mechanism type roof supports with a sprag for immobilizing its associated conveyor and the supports as well - Google Patents

Self-advancing straight-line mechanism type roof supports with a sprag for immobilizing its associated conveyor and the supports as well

Info

Publication number
PL293126A1
PL293126A1 PL29312692A PL29312692A PL293126A1 PL 293126 A1 PL293126 A1 PL 293126A1 PL 29312692 A PL29312692 A PL 29312692A PL 29312692 A PL29312692 A PL 29312692A PL 293126 A1 PL293126 A1 PL 293126A1
Authority
PL
Poland
Prior art keywords
supports
sprag
immobilizing
self
well
Prior art date
Application number
PL29312692A
Other versions
PL166872B1 (en
Inventor
Jan Boguslaw Gwiazda
Aleksander Stanislaw Gwiazda
Original Assignee
Gwiazda Jan B
Aleksander Stanislaw Gwiazda
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 by Gwiazda Jan B, Aleksander Stanislaw Gwiazda filed Critical Gwiazda Jan B
Priority to PL29312692A priority Critical patent/PL166872B1/en
Publication of PL293126A1 publication Critical patent/PL293126A1/en
Publication of PL166872B1 publication Critical patent/PL166872B1/en

Links

PL29312692A 1992-01-07 1992-01-07 Mechanized rectangular housing PL166872B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29312692A PL166872B1 (en) 1992-01-07 1992-01-07 Mechanized rectangular housing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29312692A PL166872B1 (en) 1992-01-07 1992-01-07 Mechanized rectangular housing

Publications (2)

Publication Number Publication Date
PL293126A1 true PL293126A1 (en) 1993-07-12
PL166872B1 PL166872B1 (en) 1995-06-30

Family

ID=20056608

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29312692A PL166872B1 (en) 1992-01-07 1992-01-07 Mechanized rectangular housing

Country Status (1)

Country Link
PL (1) PL166872B1 (en)

Also Published As

Publication number Publication date
PL166872B1 (en) 1995-06-30

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